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Finding the Fourth Proportional to 527,955.66, 792,081.11 and 173,218.79

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Solution

The fourth proportional to 527,955.66, 792,081.11 and 173,218.79 is: 259,876.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,955.66 : 792,081.11 = 173,218.79 : x
  2. Step 2: Convert to fraction form
    527,955.66/792,081.11 = 173,218.79/x
  3. Step 3: Cross multiply
    527,955.66x = 792,081.11 × 173,218.79
  4. Step 4: Simplify right side
    527,955.66x = 137,203,331,456.06
  5. Step 5: Solve for x
    x = 137,203,331,456.06/527,955.66
  6. Step 6: Final answer
    x = 259,876.62

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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.