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Finding the Fourth Proportional to 442,839, 611,117.82 and 241,635

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Solution

The fourth proportional to 442,839, 611,117.82 and 241,635 is: 333,456.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,839 : 611,117.82 = 241,635 : x
  2. Step 2: Convert to fraction form
    442,839/611,117.82 = 241,635/x
  3. Step 3: Cross multiply
    442,839x = 611,117.82 × 241,635
  4. Step 4: Simplify right side
    442,839x = 147,667,454,435.70
  5. Step 5: Solve for x
    x = 147,667,454,435.70/442,839
  6. Step 6: Final answer
    x = 333,456.30

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1.5x scale

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.