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Finding the Fourth Proportional to 425,583.36, 587,306.96 and 234,592.64

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Solution

The fourth proportional to 425,583.36, 587,306.96 and 234,592.64 is: 323,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,583.36 : 587,306.96 = 234,592.64 : x
  2. Step 2: Convert to fraction form
    425,583.36/587,306.96 = 234,592.64/x
  3. Step 3: Cross multiply
    425,583.36x = 587,306.96 × 234,592.64
  4. Step 4: Simplify right side
    425,583.36x = 137,777,890,236.77
  5. Step 5: Solve for x
    x = 137,777,890,236.77/425,583.36
  6. Step 6: Final answer
    x = 323,738.90

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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.