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Finding the Fourth Proportional to 360,394.76, 497,346.72 and 197,051.78

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Solution

The fourth proportional to 360,394.76, 497,346.72 and 197,051.78 is: 271,932.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,394.76 : 497,346.72 = 197,051.78 : x
  2. Step 2: Convert to fraction form
    360,394.76/497,346.72 = 197,051.78/x
  3. Step 3: Cross multiply
    360,394.76x = 497,346.72 × 197,051.78
  4. Step 4: Simplify right side
    360,394.76x = 98,003,056,453.16
  5. Step 5: Solve for x
    x = 98,003,056,453.16/360,394.76
  6. Step 6: Final answer
    x = 271,932.52

Related Problems

Find fourth proportional to 180,197.38, 248,673.36 and 98,525.89
Half scale
Find fourth proportional to 720,789.52, 994,693.44 and 394,103.56
Double scale
Find fourth proportional to 360,395.76, 497,348.10 and 197,052.78
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.