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Finding the Fourth Proportional to 293,337.11, 439,920.92 and 133,323.91

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Solution

The fourth proportional to 293,337.11, 439,920.92 and 133,323.91 is: 199,947.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,337.11 : 439,920.92 = 133,323.91 : x
  2. Step 2: Convert to fraction form
    293,337.11/439,920.92 = 133,323.91/x
  3. Step 3: Cross multiply
    293,337.11x = 439,920.92 × 133,323.91
  4. Step 4: Simplify right side
    293,337.11x = 58,651,976,378.70
  5. Step 5: Solve for x
    x = 58,651,976,378.70/293,337.11
  6. Step 6: Final answer
    x = 199,947.34

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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.