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Finding the Fourth Proportional to 360,026.22, 496,793.60 and 198,871.60

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Solution

The fourth proportional to 360,026.22, 496,793.60 and 198,871.60 is: 274,419.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,026.22 : 496,793.60 = 198,871.60 : x
  2. Step 2: Convert to fraction form
    360,026.22/496,793.60 = 198,871.60/x
  3. Step 3: Cross multiply
    360,026.22x = 496,793.60 × 198,871.60
  4. Step 4: Simplify right side
    360,026.22x = 98,798,138,101.76
  5. Step 5: Solve for x
    x = 98,798,138,101.76/360,026.22
  6. Step 6: Final answer
    x = 274,419.29

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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.