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Finding the Fourth Proportional to 539,441.20, 808,092.60 and 472,956.40

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Solution

The fourth proportional to 539,441.20, 808,092.60 and 472,956.40 is: 708,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,441.20 : 808,092.60 = 472,956.40 : x
  2. Step 2: Convert to fraction form
    539,441.20/808,092.60 = 472,956.40/x
  3. Step 3: Cross multiply
    539,441.20x = 808,092.60 × 472,956.40
  4. Step 4: Simplify right side
    539,441.20x = 382,192,566,962.64
  5. Step 5: Solve for x
    x = 382,192,566,962.64/539,441.20
  6. Step 6: Final answer
    x = 708,497.18

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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.