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Finding the Fourth Proportional to 373,969.86, 560,621.34 and 137,257.62

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Solution

The fourth proportional to 373,969.86, 560,621.34 and 137,257.62 is: 205,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,969.86 : 560,621.34 = 137,257.62 : x
  2. Step 2: Convert to fraction form
    373,969.86/560,621.34 = 137,257.62/x
  3. Step 3: Cross multiply
    373,969.86x = 560,621.34 × 137,257.62
  4. Step 4: Simplify right side
    373,969.86x = 76,949,550,849.61
  5. Step 5: Solve for x
    x = 76,949,550,849.61/373,969.86
  6. Step 6: Final answer
    x = 205,764.04

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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.