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Finding the Fourth Proportional to 443,600.88, 665,329.92 and 123,761.04

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Solution

The fourth proportional to 443,600.88, 665,329.92 and 123,761.04 is: 185,621.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,600.88 : 665,329.92 = 123,761.04 : x
  2. Step 2: Convert to fraction form
    443,600.88/665,329.92 = 123,761.04/x
  3. Step 3: Cross multiply
    443,600.88x = 665,329.92 × 123,761.04
  4. Step 4: Simplify right side
    443,600.88x = 82,341,922,842.32
  5. Step 5: Solve for x
    x = 82,341,922,842.32/443,600.88
  6. Step 6: Final answer
    x = 185,621.64

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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.