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Finding the Fourth Proportional to 532,387.61, 797,308.28 and 307,064.96

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Solution

The fourth proportional to 532,387.61, 797,308.28 and 307,064.96 is: 459,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,387.61 : 797,308.28 = 307,064.96 : x
  2. Step 2: Convert to fraction form
    532,387.61/797,308.28 = 307,064.96/x
  3. Step 3: Cross multiply
    532,387.61x = 797,308.28 × 307,064.96
  4. Step 4: Simplify right side
    532,387.61x = 244,825,429,584.00
  5. Step 5: Solve for x
    x = 244,825,429,584.00/532,387.61
  6. Step 6: Final answer
    x = 459,863.13

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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.