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Finding the Fourth Proportional to 576,120.60, 794,887.02 and 372,179.61

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Solution

The fourth proportional to 576,120.60, 794,887.02 and 372,179.61 is: 513,504.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,120.60 : 794,887.02 = 372,179.61 : x
  2. Step 2: Convert to fraction form
    576,120.60/794,887.02 = 372,179.61/x
  3. Step 3: Cross multiply
    576,120.60x = 794,887.02 × 372,179.61
  4. Step 4: Simplify right side
    576,120.60x = 295,840,741,097.66
  5. Step 5: Solve for x
    x = 295,840,741,097.66/576,120.60
  6. Step 6: Final answer
    x = 513,504.88

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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.