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Finding the Fourth Proportional to 442,063, 610,046.94 and 240,859

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Solution

The fourth proportional to 442,063, 610,046.94 and 240,859 is: 332,385.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,063 : 610,046.94 = 240,859 : x
  2. Step 2: Convert to fraction form
    442,063/610,046.94 = 240,859/x
  3. Step 3: Cross multiply
    442,063x = 610,046.94 × 240,859
  4. Step 4: Simplify right side
    442,063x = 146,935,295,921.46
  5. Step 5: Solve for x
    x = 146,935,295,921.46/442,063
  6. Step 6: Final answer
    x = 332,385.42

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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.