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Finding the Fourth Proportional to 360,383.45, 497,330.06 and 197,050.50

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Solution

The fourth proportional to 360,383.45, 497,330.06 and 197,050.50 is: 271,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,383.45 : 497,330.06 = 197,050.50 : x
  2. Step 2: Convert to fraction form
    360,383.45/497,330.06 = 197,050.50/x
  3. Step 3: Cross multiply
    360,383.45x = 497,330.06 × 197,050.50
  4. Step 4: Simplify right side
    360,383.45x = 97,999,136,002.78
  5. Step 5: Solve for x
    x = 97,999,136,002.78/360,383.45
  6. Step 6: Final answer
    x = 271,930.18

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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.