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Finding the Fourth Proportional to 441,864, 609,772.32 and 240,660

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Solution

The fourth proportional to 441,864, 609,772.32 and 240,660 is: 332,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,864 : 609,772.32 = 240,660 : x
  2. Step 2: Convert to fraction form
    441,864/609,772.32 = 240,660/x
  3. Step 3: Cross multiply
    441,864x = 609,772.32 × 240,660
  4. Step 4: Simplify right side
    441,864x = 146,747,806,531.20
  5. Step 5: Solve for x
    x = 146,747,806,531.20/441,864
  6. Step 6: Final answer
    x = 332,110.80

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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.