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Finding the Fourth Proportional to 425,619.91, 587,351.61 and 234,633.29

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Solution

The fourth proportional to 425,619.91, 587,351.61 and 234,633.29 is: 323,791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,619.91 : 587,351.61 = 234,633.29 : x
  2. Step 2: Convert to fraction form
    425,619.91/587,351.61 = 234,633.29/x
  3. Step 3: Cross multiply
    425,619.91x = 587,351.61 × 234,633.29
  4. Step 4: Simplify right side
    425,619.91x = 137,812,242,109.48
  5. Step 5: Solve for x
    x = 137,812,242,109.48/425,619.91
  6. Step 6: Final answer
    x = 323,791.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.