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Finding the Fourth Proportional to 439,951.60, 659,660.10 and 173,404.90

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Solution

The fourth proportional to 439,951.60, 659,660.10 and 173,404.90 is: 260,001.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,951.60 : 659,660.10 = 173,404.90 : x
  2. Step 2: Convert to fraction form
    439,951.60/659,660.10 = 173,404.90/x
  3. Step 3: Cross multiply
    439,951.60x = 659,660.10 × 173,404.90
  4. Step 4: Simplify right side
    439,951.60x = 114,388,293,674.49
  5. Step 5: Solve for x
    x = 114,388,293,674.49/439,951.60
  6. Step 6: Final answer
    x = 260,001.99

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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.