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Finding the Fourth Proportional to 392,330.26, 587,752.62 and 231,925.96

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Solution

The fourth proportional to 392,330.26, 587,752.62 and 231,925.96 is: 347,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,330.26 : 587,752.62 = 231,925.96 : x
  2. Step 2: Convert to fraction form
    392,330.26/587,752.62 = 231,925.96/x
  3. Step 3: Cross multiply
    392,330.26x = 587,752.62 × 231,925.96
  4. Step 4: Simplify right side
    392,330.26x = 136,315,090,636.02
  5. Step 5: Solve for x
    x = 136,315,090,636.02/392,330.26
  6. Step 6: Final answer
    x = 347,449.85

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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.