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Finding the Fourth Proportional to 376,480.20, 564,678.98 and 110,243.38

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Solution

The fourth proportional to 376,480.20, 564,678.98 and 110,243.38 is: 165,352.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,480.20 : 564,678.98 = 110,243.38 : x
  2. Step 2: Convert to fraction form
    376,480.20/564,678.98 = 110,243.38/x
  3. Step 3: Cross multiply
    376,480.20x = 564,678.98 × 110,243.38
  4. Step 4: Simplify right side
    376,480.20x = 62,252,119,370.15
  5. Step 5: Solve for x
    x = 62,252,119,370.15/376,480.20
  6. Step 6: Final answer
    x = 165,352.97

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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.