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Finding the Fourth Proportional to 376,036.80, 564,227.45 and 162,869.91

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Solution

The fourth proportional to 376,036.80, 564,227.45 and 162,869.91 is: 244,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,036.80 : 564,227.45 = 162,869.91 : x
  2. Step 2: Convert to fraction form
    376,036.80/564,227.45 = 162,869.91/x
  3. Step 3: Cross multiply
    376,036.80x = 564,227.45 × 162,869.91
  4. Step 4: Simplify right side
    376,036.80x = 91,895,674,001.03
  5. Step 5: Solve for x
    x = 91,895,674,001.03/376,036.80
  6. Step 6: Final answer
    x = 244,379.47

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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.