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Finding the Fourth Proportional to 386,158.60, 532,899.03 and 235,255.60

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Solution

The fourth proportional to 386,158.60, 532,899.03 and 235,255.60 is: 324,652.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,158.60 : 532,899.03 = 235,255.60 : x
  2. Step 2: Convert to fraction form
    386,158.60/532,899.03 = 235,255.60/x
  3. Step 3: Cross multiply
    386,158.60x = 532,899.03 × 235,255.60
  4. Step 4: Simplify right side
    386,158.60x = 125,367,481,042.07
  5. Step 5: Solve for x
    x = 125,367,481,042.07/386,158.60
  6. Step 6: Final answer
    x = 324,652.83

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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.