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Finding the Fourth Proportional to 516,982.67, 712,645.39 and 363,602.89

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Solution

The fourth proportional to 516,982.67, 712,645.39 and 363,602.89 is: 501,215.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,982.67 : 712,645.39 = 363,602.89 : x
  2. Step 2: Convert to fraction form
    516,982.67/712,645.39 = 363,602.89/x
  3. Step 3: Cross multiply
    516,982.67x = 712,645.39 × 363,602.89
  4. Step 4: Simplify right side
    516,982.67x = 259,119,924,694.49
  5. Step 5: Solve for x
    x = 259,119,924,694.49/516,982.67
  6. Step 6: Final answer
    x = 501,215.88

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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.