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Finding the Fourth Proportional to 655,280.41, 982,987.68 and 250,812.42

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Solution

The fourth proportional to 655,280.41, 982,987.68 and 250,812.42 is: 376,244.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,280.41 : 982,987.68 = 250,812.42 : x
  2. Step 2: Convert to fraction form
    655,280.41/982,987.68 = 250,812.42/x
  3. Step 3: Cross multiply
    655,280.41x = 982,987.68 × 250,812.42
  4. Step 4: Simplify right side
    655,280.41x = 246,545,513,309.02
  5. Step 5: Solve for x
    x = 246,545,513,309.02/655,280.41
  6. Step 6: Final answer
    x = 376,244.29

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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.