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Finding the Fourth Proportional to 367,565.88, 551,565.48 and 154,371.20

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Solution

The fourth proportional to 367,565.88, 551,565.48 and 154,371.20 is: 231,647.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,565.88 : 551,565.48 = 154,371.20 : x
  2. Step 2: Convert to fraction form
    367,565.88/551,565.48 = 154,371.20/x
  3. Step 3: Cross multiply
    367,565.88x = 551,565.48 × 154,371.20
  4. Step 4: Simplify right side
    367,565.88x = 85,145,822,268.35
  5. Step 5: Solve for x
    x = 85,145,822,268.35/367,565.88
  6. Step 6: Final answer
    x = 231,647.79

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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.