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Finding the Fourth Proportional to 416,720.11, 575,061.87 and 244,635.30

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Solution

The fourth proportional to 416,720.11, 575,061.87 and 244,635.30 is: 337,589.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,720.11 : 575,061.87 = 244,635.30 : x
  2. Step 2: Convert to fraction form
    416,720.11/575,061.87 = 244,635.30/x
  3. Step 3: Cross multiply
    416,720.11x = 575,061.87 × 244,635.30
  4. Step 4: Simplify right side
    416,720.11x = 140,680,433,705.56
  5. Step 5: Solve for x
    x = 140,680,433,705.56/416,720.11
  6. Step 6: Final answer
    x = 337,589.74

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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.