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Finding the Fourth Proportional to 335,391.30, 502,914.15 and 124,920.90

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Solution

The fourth proportional to 335,391.30, 502,914.15 and 124,920.90 is: 187,316.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,391.30 : 502,914.15 = 124,920.90 : x
  2. Step 2: Convert to fraction form
    335,391.30/502,914.15 = 124,920.90/x
  3. Step 3: Cross multiply
    335,391.30x = 502,914.15 × 124,920.90
  4. Step 4: Simplify right side
    335,391.30x = 62,824,488,240.74
  5. Step 5: Solve for x
    x = 62,824,488,240.74/335,391.30
  6. Step 6: Final answer
    x = 187,316.99

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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.