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Finding the Fourth Proportional to 425,615.38, 587,353.16 and 234,635.60

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Solution

The fourth proportional to 425,615.38, 587,353.16 and 234,635.60 is: 323,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,615.38 : 587,353.16 = 234,635.60 : x
  2. Step 2: Convert to fraction form
    425,615.38/587,353.16 = 234,635.60/x
  3. Step 3: Cross multiply
    425,615.38x = 587,353.16 × 234,635.60
  4. Step 4: Simplify right side
    425,615.38x = 137,813,963,163.47
  5. Step 5: Solve for x
    x = 137,813,963,163.47/425,615.38
  6. Step 6: Final answer
    x = 323,799.30

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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.