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Finding the Fourth Proportional to 924,286.60, 1,275,492 and 516,391.50

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Solution

The fourth proportional to 924,286.60, 1,275,492 and 516,391.50 is: 712,607.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,286.60 : 1,275,492 = 516,391.50 : x
  2. Step 2: Convert to fraction form
    924,286.60/1,275,492 = 516,391.50/x
  3. Step 3: Cross multiply
    924,286.60x = 1,275,492 × 516,391.50
  4. Step 4: Simplify right side
    924,286.60x = 658,653,227,118
  5. Step 5: Solve for x
    x = 658,653,227,118/924,286.60
  6. Step 6: Final answer
    x = 712,607.14

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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.