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Finding the Fourth Proportional to 439,633.58, 659,105.87 and 173,593.23

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Solution

The fourth proportional to 439,633.58, 659,105.87 and 173,593.23 is: 260,253.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,633.58 : 659,105.87 = 173,593.23 : x
  2. Step 2: Convert to fraction form
    439,633.58/659,105.87 = 173,593.23/x
  3. Step 3: Cross multiply
    439,633.58x = 659,105.87 × 173,593.23
  4. Step 4: Simplify right side
    439,633.58x = 114,416,316,017.29
  5. Step 5: Solve for x
    x = 114,416,316,017.29/439,633.58
  6. Step 6: Final answer
    x = 260,253.81

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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.