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Finding the Fourth Proportional to 924,347.50, 1,275,472.58 and 516,398.69

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Solution

The fourth proportional to 924,347.50, 1,275,472.58 and 516,398.69 is: 712,559.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,347.50 : 1,275,472.58 = 516,398.69 : x
  2. Step 2: Convert to fraction form
    924,347.50/1,275,472.58 = 516,398.69/x
  3. Step 3: Cross multiply
    924,347.50x = 1,275,472.58 × 516,398.69
  4. Step 4: Simplify right side
    924,347.50x = 658,652,370,049.61
  5. Step 5: Solve for x
    x = 658,652,370,049.61/924,347.50
  6. Step 6: Final answer
    x = 712,559.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.