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Finding the Fourth Proportional to 658,757.22, 987,373.26 and 303,024.66

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Solution

The fourth proportional to 658,757.22, 987,373.26 and 303,024.66 is: 454,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,757.22 : 987,373.26 = 303,024.66 : x
  2. Step 2: Convert to fraction form
    658,757.22/987,373.26 = 303,024.66/x
  3. Step 3: Cross multiply
    658,757.22x = 987,373.26 × 303,024.66
  4. Step 4: Simplify right side
    658,757.22x = 299,198,446,404.59
  5. Step 5: Solve for x
    x = 299,198,446,404.59/658,757.22
  6. Step 6: Final answer
    x = 454,186.21

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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.