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Finding the Fourth Proportional to 354,565.38, 531,405.24 and 227,868.42

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Solution

The fourth proportional to 354,565.38, 531,405.24 and 227,868.42 is: 341,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,565.38 : 531,405.24 = 227,868.42 : x
  2. Step 2: Convert to fraction form
    354,565.38/531,405.24 = 227,868.42/x
  3. Step 3: Cross multiply
    354,565.38x = 531,405.24 × 227,868.42
  4. Step 4: Simplify right side
    354,565.38x = 121,090,472,418.52
  5. Step 5: Solve for x
    x = 121,090,472,418.52/354,565.38
  6. Step 6: Final answer
    x = 341,518.04

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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.