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Finding the Fourth Proportional to 442,072.69, 610,060.31 and 240,868.69

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Solution

The fourth proportional to 442,072.69, 610,060.31 and 240,868.69 is: 332,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,072.69 : 610,060.31 = 240,868.69 : x
  2. Step 2: Convert to fraction form
    442,072.69/610,060.31 = 240,868.69/x
  3. Step 3: Cross multiply
    442,072.69x = 610,060.31 × 240,868.69
  4. Step 4: Simplify right side
    442,072.69x = 146,944,425,864.46
  5. Step 5: Solve for x
    x = 146,944,425,864.46/442,072.69
  6. Step 6: Final answer
    x = 332,398.79

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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.