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Finding the Fourth Proportional to 425,517.56, 587,211.16 and 234,531.16

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Solution

The fourth proportional to 425,517.56, 587,211.16 and 234,531.16 is: 323,651.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,517.56 : 587,211.16 = 234,531.16 : x
  2. Step 2: Convert to fraction form
    425,517.56/587,211.16 = 234,531.16/x
  3. Step 3: Cross multiply
    425,517.56x = 587,211.16 × 234,531.16
  4. Step 4: Simplify right side
    425,517.56x = 137,719,314,519.75
  5. Step 5: Solve for x
    x = 137,719,314,519.75/425,517.56
  6. Step 6: Final answer
    x = 323,651.31

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1.5x scale

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.