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Finding the Fourth Proportional to 532,387.99, 797,308.86 and 307,065.34

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Solution

The fourth proportional to 532,387.99, 797,308.86 and 307,065.34 is: 459,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,387.99 : 797,308.86 = 307,065.34 : x
  2. Step 2: Convert to fraction form
    532,387.99/797,308.86 = 307,065.34/x
  3. Step 3: Cross multiply
    532,387.99x = 797,308.86 × 307,065.34
  4. Step 4: Simplify right side
    532,387.99x = 244,825,916,180.91
  5. Step 5: Solve for x
    x = 244,825,916,180.91/532,387.99
  6. Step 6: Final answer
    x = 459,863.71

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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.