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Finding the Fourth Proportional to 425,507.57, 587,203.14 and 234,520.95

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Solution

The fourth proportional to 425,507.57, 587,203.14 and 234,520.95 is: 323,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,507.57 : 587,203.14 = 234,520.95 : x
  2. Step 2: Convert to fraction form
    425,507.57/587,203.14 = 234,520.95/x
  3. Step 3: Cross multiply
    425,507.57x = 587,203.14 × 234,520.95
  4. Step 4: Simplify right side
    425,507.57x = 137,711,438,235.78
  5. Step 5: Solve for x
    x = 137,711,438,235.78/425,507.57
  6. Step 6: Final answer
    x = 323,640.40

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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.