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Finding the Fourth Proportional to 376,257.86, 564,472.97 and 163,061.57

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Solution

The fourth proportional to 376,257.86, 564,472.97 and 163,061.57 is: 244,629.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,257.86 : 564,472.97 = 163,061.57 : x
  2. Step 2: Convert to fraction form
    376,257.86/564,472.97 = 163,061.57/x
  3. Step 3: Cross multiply
    376,257.86x = 564,472.97 × 163,061.57
  4. Step 4: Simplify right side
    376,257.86x = 92,043,849,918.12
  5. Step 5: Solve for x
    x = 92,043,849,918.12/376,257.86
  6. Step 6: Final answer
    x = 244,629.71

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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.