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Finding the Fourth Proportional to 425,375.64, 587,017.82 and 234,389.03

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Solution

The fourth proportional to 425,375.64, 587,017.82 and 234,389.03 is: 323,456.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,375.64 : 587,017.82 = 234,389.03 : x
  2. Step 2: Convert to fraction form
    425,375.64/587,017.82 = 234,389.03/x
  3. Step 3: Cross multiply
    425,375.64x = 587,017.82 × 234,389.03
  4. Step 4: Simplify right side
    425,375.64x = 137,590,535,073.40
  5. Step 5: Solve for x
    x = 137,590,535,073.40/425,375.64
  6. Step 6: Final answer
    x = 323,456.55

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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.