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Finding the Fourth Proportional to 577,654.38, 866,401.38 and 178,308.18

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Solution

The fourth proportional to 577,654.38, 866,401.38 and 178,308.18 is: 267,437.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,654.38 : 866,401.38 = 178,308.18 : x
  2. Step 2: Convert to fraction form
    577,654.38/866,401.38 = 178,308.18/x
  3. Step 3: Cross multiply
    577,654.38x = 866,401.38 × 178,308.18
  4. Step 4: Simplify right side
    577,654.38x = 154,486,453,217.29
  5. Step 5: Solve for x
    x = 154,486,453,217.29/577,654.38
  6. Step 6: Final answer
    x = 267,437.52

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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.