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Finding the Fourth Proportional to 381,717.73, 526,974.98 and 294,311.92

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Solution

The fourth proportional to 381,717.73, 526,974.98 and 294,311.92 is: 406,308.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,717.73 : 526,974.98 = 294,311.92 : x
  2. Step 2: Convert to fraction form
    381,717.73/526,974.98 = 294,311.92/x
  3. Step 3: Cross multiply
    381,717.73x = 526,974.98 × 294,311.92
  4. Step 4: Simplify right side
    381,717.73x = 155,095,016,354.84
  5. Step 5: Solve for x
    x = 155,095,016,354.84/381,717.73
  6. Step 6: Final answer
    x = 406,308.13

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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.