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Finding the Fourth Proportional to 376,485.30, 564,737.31 and 110,217.78

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Solution

The fourth proportional to 376,485.30, 564,737.31 and 110,217.78 is: 165,329.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,485.30 : 564,737.31 = 110,217.78 : x
  2. Step 2: Convert to fraction form
    376,485.30/564,737.31 = 110,217.78/x
  3. Step 3: Cross multiply
    376,485.30x = 564,737.31 × 110,217.78
  4. Step 4: Simplify right side
    376,485.30x = 62,244,092,591.37
  5. Step 5: Solve for x
    x = 62,244,092,591.37/376,485.30
  6. Step 6: Final answer
    x = 165,329.41

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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.