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Finding the Fourth Proportional to 425,486.42, 587,170.04 and 234,499.76

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Solution

The fourth proportional to 425,486.42, 587,170.04 and 234,499.76 is: 323,608.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,486.42 : 587,170.04 = 234,499.76 : x
  2. Step 2: Convert to fraction form
    425,486.42/587,170.04 = 234,499.76/x
  3. Step 3: Cross multiply
    425,486.42x = 587,170.04 × 234,499.76
  4. Step 4: Simplify right side
    425,486.42x = 137,691,229,350.84
  5. Step 5: Solve for x
    x = 137,691,229,350.84/425,486.42
  6. Step 6: Final answer
    x = 323,608.99

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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.