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Finding the Fourth Proportional to 425,630.62, 587,374.16 and 234,650.85

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Solution

The fourth proportional to 425,630.62, 587,374.16 and 234,650.85 is: 323,820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,630.62 : 587,374.16 = 234,650.85 : x
  2. Step 2: Convert to fraction form
    425,630.62/587,374.16 = 234,650.85/x
  3. Step 3: Cross multiply
    425,630.62x = 587,374.16 × 234,650.85
  4. Step 4: Simplify right side
    425,630.62x = 137,827,845,912.04
  5. Step 5: Solve for x
    x = 137,827,845,912.04/425,630.62
  6. Step 6: Final answer
    x = 323,820.33

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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.