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Finding the Fourth Proportional to 367,314.63, 551,008.85 and 136,565.29

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Solution

The fourth proportional to 367,314.63, 551,008.85 and 136,565.29 is: 204,861.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,314.63 : 551,008.85 = 136,565.29 : x
  2. Step 2: Convert to fraction form
    367,314.63/551,008.85 = 136,565.29/x
  3. Step 3: Cross multiply
    367,314.63x = 551,008.85 × 136,565.29
  4. Step 4: Simplify right side
    367,314.63x = 75,248,679,954.95
  5. Step 5: Solve for x
    x = 75,248,679,954.95/367,314.63
  6. Step 6: Final answer
    x = 204,861.65

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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.