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Finding the Fourth Proportional to 395,062.88, 592,727.32 and 125,235.08

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Solution

The fourth proportional to 395,062.88, 592,727.32 and 125,235.08 is: 187,894.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,062.88 : 592,727.32 = 125,235.08 : x
  2. Step 2: Convert to fraction form
    395,062.88/592,727.32 = 125,235.08/x
  3. Step 3: Cross multiply
    395,062.88x = 592,727.32 × 125,235.08
  4. Step 4: Simplify right side
    395,062.88x = 74,230,253,338.39
  5. Step 5: Solve for x
    x = 74,230,253,338.39/395,062.88
  6. Step 6: Final answer
    x = 187,894.78

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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.