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Finding the Fourth Proportional to 527,663.32, 791,486.54 and 167,828.98

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Solution

The fourth proportional to 527,663.32, 791,486.54 and 167,828.98 is: 251,740.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,663.32 : 791,486.54 = 167,828.98 : x
  2. Step 2: Convert to fraction form
    527,663.32/791,486.54 = 167,828.98/x
  3. Step 3: Cross multiply
    527,663.32x = 791,486.54 × 167,828.98
  4. Step 4: Simplify right side
    527,663.32x = 132,834,378,691.93
  5. Step 5: Solve for x
    x = 132,834,378,691.93/527,663.32
  6. Step 6: Final answer
    x = 251,740.79

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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.