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Finding the Fourth Proportional to 425,753.76, 587,526.72 and 234,775.20

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Solution

The fourth proportional to 425,753.76, 587,526.72 and 234,775.20 is: 323,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,753.76 : 587,526.72 = 234,775.20 : x
  2. Step 2: Convert to fraction form
    425,753.76/587,526.72 = 234,775.20/x
  3. Step 3: Cross multiply
    425,753.76x = 587,526.72 × 234,775.20
  4. Step 4: Simplify right side
    425,753.76x = 137,936,703,193.34
  5. Step 5: Solve for x
    x = 137,936,703,193.34/425,753.76
  6. Step 6: Final answer
    x = 323,982.35

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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.