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Finding the Fourth Proportional to 671,446, 1,007,069.56 and 244,881.78

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Solution

The fourth proportional to 671,446, 1,007,069.56 and 244,881.78 is: 367,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,446 : 1,007,069.56 = 244,881.78 : x
  2. Step 2: Convert to fraction form
    671,446/1,007,069.56 = 244,881.78/x
  3. Step 3: Cross multiply
    671,446x = 1,007,069.56 × 244,881.78
  4. Step 4: Simplify right side
    671,446x = 246,612,986,436.62
  5. Step 5: Solve for x
    x = 246,612,986,436.62/671,446
  6. Step 6: Final answer
    x = 367,286.40

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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.