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Finding the Fourth Proportional to 392,052.60, 588,008.64 and 103,866.24

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Solution

The fourth proportional to 392,052.60, 588,008.64 and 103,866.24 is: 155,780.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,052.60 : 588,008.64 = 103,866.24 : x
  2. Step 2: Convert to fraction form
    392,052.60/588,008.64 = 103,866.24/x
  3. Step 3: Cross multiply
    392,052.60x = 588,008.64 × 103,866.24
  4. Step 4: Simplify right side
    392,052.60x = 61,074,246,524.31
  5. Step 5: Solve for x
    x = 61,074,246,524.31/392,052.60
  6. Step 6: Final answer
    x = 155,780.75

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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.