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Finding the Fourth Proportional to 425,601.48, 587,334.14 and 234,621.76

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Solution

The fourth proportional to 425,601.48, 587,334.14 and 234,621.76 is: 323,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,601.48 : 587,334.14 = 234,621.76 : x
  2. Step 2: Convert to fraction form
    425,601.48/587,334.14 = 234,621.76/x
  3. Step 3: Cross multiply
    425,601.48x = 587,334.14 × 234,621.76
  4. Step 4: Simplify right side
    425,601.48x = 137,801,369,634.89
  5. Step 5: Solve for x
    x = 137,801,369,634.89/425,601.48
  6. Step 6: Final answer
    x = 323,780.29

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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.