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Finding the Fourth Proportional to 439,604.83, 659,387.42 and 183,331.86

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Solution

The fourth proportional to 439,604.83, 659,387.42 and 183,331.86 is: 274,989.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,604.83 : 659,387.42 = 183,331.86 : x
  2. Step 2: Convert to fraction form
    439,604.83/659,387.42 = 183,331.86/x
  3. Step 3: Cross multiply
    439,604.83x = 659,387.42 × 183,331.86
  4. Step 4: Simplify right side
    439,604.83x = 120,886,722,169.20
  5. Step 5: Solve for x
    x = 120,886,722,169.20/439,604.83
  6. Step 6: Final answer
    x = 274,989.52

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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.