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Finding the Fourth Proportional to 425,531.49, 587,234.64 and 234,545.64

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Solution

The fourth proportional to 425,531.49, 587,234.64 and 234,545.64 is: 323,673.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,531.49 : 587,234.64 = 234,545.64 : x
  2. Step 2: Convert to fraction form
    425,531.49/587,234.64 = 234,545.64/x
  3. Step 3: Cross multiply
    425,531.49x = 587,234.64 × 234,545.64
  4. Step 4: Simplify right side
    425,531.49x = 137,733,321,532.80
  5. Step 5: Solve for x
    x = 137,733,321,532.80/425,531.49
  6. Step 6: Final answer
    x = 323,673.63

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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.