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Finding the Fourth Proportional to 532,098.60, 798,147.90 and 437,620.20

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Solution

The fourth proportional to 532,098.60, 798,147.90 and 437,620.20 is: 656,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,098.60 : 798,147.90 = 437,620.20 : x
  2. Step 2: Convert to fraction form
    532,098.60/798,147.90 = 437,620.20/x
  3. Step 3: Cross multiply
    532,098.60x = 798,147.90 × 437,620.20
  4. Step 4: Simplify right side
    532,098.60x = 349,285,643,627.58
  5. Step 5: Solve for x
    x = 349,285,643,627.58/532,098.60
  6. Step 6: Final answer
    x = 656,430.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.