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Finding the Fourth Proportional to 591,937.80, 887,031.90 and 502,708.20

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Solution

The fourth proportional to 591,937.80, 887,031.90 and 502,708.20 is: 753,319.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,937.80 : 887,031.90 = 502,708.20 : x
  2. Step 2: Convert to fraction form
    591,937.80/887,031.90 = 502,708.20/x
  3. Step 3: Cross multiply
    591,937.80x = 887,031.90 × 502,708.20
  4. Step 4: Simplify right side
    591,937.80x = 445,918,209,791.58
  5. Step 5: Solve for x
    x = 445,918,209,791.58/591,937.80
  6. Step 6: Final answer
    x = 753,319.37

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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.