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Finding the Fourth Proportional to 655,286.90, 982,997.42 and 250,818.93

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Solution

The fourth proportional to 655,286.90, 982,997.42 and 250,818.93 is: 376,254.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,286.90 : 982,997.42 = 250,818.93 : x
  2. Step 2: Convert to fraction form
    655,286.90/982,997.42 = 250,818.93/x
  3. Step 3: Cross multiply
    655,286.90x = 982,997.42 × 250,818.93
  4. Step 4: Simplify right side
    655,286.90x = 246,554,359,823.07
  5. Step 5: Solve for x
    x = 246,554,359,823.07/655,286.90
  6. Step 6: Final answer
    x = 376,254.07

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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.