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Finding the Fourth Proportional to 669,732.29, 924,247.17 and 363,808.55

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Solution

The fourth proportional to 669,732.29, 924,247.17 and 363,808.55 is: 502,064.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,732.29 : 924,247.17 = 363,808.55 : x
  2. Step 2: Convert to fraction form
    669,732.29/924,247.17 = 363,808.55/x
  3. Step 3: Cross multiply
    669,732.29x = 924,247.17 × 363,808.55
  4. Step 4: Simplify right side
    669,732.29x = 336,249,022,759.30
  5. Step 5: Solve for x
    x = 336,249,022,759.30/669,732.29
  6. Step 6: Final answer
    x = 502,064.82

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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.