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Finding the Fourth Proportional to 539,909.60, 809,864.40 and 532,036.40

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Solution

The fourth proportional to 539,909.60, 809,864.40 and 532,036.40 is: 798,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,909.60 : 809,864.40 = 532,036.40 : x
  2. Step 2: Convert to fraction form
    539,909.60/809,864.40 = 532,036.40/x
  3. Step 3: Cross multiply
    539,909.60x = 809,864.40 × 532,036.40
  4. Step 4: Simplify right side
    539,909.60x = 430,877,339,864.16
  5. Step 5: Solve for x
    x = 430,877,339,864.16/539,909.60
  6. Step 6: Final answer
    x = 798,054.60

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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.