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Finding the Fourth Proportional to 425,587.62, 587,310.80 and 234,604.20

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Solution

The fourth proportional to 425,587.62, 587,310.80 and 234,604.20 is: 323,753.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,587.62 : 587,310.80 = 234,604.20 : x
  2. Step 2: Convert to fraction form
    425,587.62/587,310.80 = 234,604.20/x
  3. Step 3: Cross multiply
    425,587.62x = 587,310.80 × 234,604.20
  4. Step 4: Simplify right side
    425,587.62x = 137,785,579,212.34
  5. Step 5: Solve for x
    x = 137,785,579,212.34/425,587.62
  6. Step 6: Final answer
    x = 323,753.73

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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.