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Finding the Fourth Proportional to 439,633.27, 659,105.40 and 173,592.92

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Solution

The fourth proportional to 439,633.27, 659,105.40 and 173,592.92 is: 260,253.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,633.27 : 659,105.40 = 173,592.92 : x
  2. Step 2: Convert to fraction form
    439,633.27/659,105.40 = 173,592.92/x
  3. Step 3: Cross multiply
    439,633.27x = 659,105.40 × 173,592.92
  4. Step 4: Simplify right side
    439,633.27x = 114,416,026,810.28
  5. Step 5: Solve for x
    x = 114,416,026,810.28/439,633.27
  6. Step 6: Final answer
    x = 260,253.34

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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.