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Finding the Fourth Proportional to 371,641.38, 513,077.88 and 244,686

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Solution

The fourth proportional to 371,641.38, 513,077.88 and 244,686 is: 337,806.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,641.38 : 513,077.88 = 244,686 : x
  2. Step 2: Convert to fraction form
    371,641.38/513,077.88 = 244,686/x
  3. Step 3: Cross multiply
    371,641.38x = 513,077.88 × 244,686
  4. Step 4: Simplify right side
    371,641.38x = 125,542,974,145.68
  5. Step 5: Solve for x
    x = 125,542,974,145.68/371,641.38
  6. Step 6: Final answer
    x = 337,806.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.