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Finding the Fourth Proportional to 392,002.44, 587,263.74 and 231,599.76

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Solution

The fourth proportional to 392,002.44, 587,263.74 and 231,599.76 is: 346,962.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,002.44 : 587,263.74 = 231,599.76 : x
  2. Step 2: Convert to fraction form
    392,002.44/587,263.74 = 231,599.76/x
  3. Step 3: Cross multiply
    392,002.44x = 587,263.74 × 231,599.76
  4. Step 4: Simplify right side
    392,002.44x = 136,010,141,240.70
  5. Step 5: Solve for x
    x = 136,010,141,240.70/392,002.44
  6. Step 6: Final answer
    x = 346,962.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.