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Finding the Fourth Proportional to 293,565.71, 439,600.88 and 193,422.38

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Solution

The fourth proportional to 293,565.71, 439,600.88 and 193,422.38 is: 289,640.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,565.71 : 439,600.88 = 193,422.38 : x
  2. Step 2: Convert to fraction form
    293,565.71/439,600.88 = 193,422.38/x
  3. Step 3: Cross multiply
    293,565.71x = 439,600.88 × 193,422.38
  4. Step 4: Simplify right side
    293,565.71x = 85,028,645,778.13
  5. Step 5: Solve for x
    x = 85,028,645,778.13/293,565.71
  6. Step 6: Final answer
    x = 289,640.93

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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.