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Finding the Fourth Proportional to 614,083.34, 921,265.23 and 187,679.85

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Solution

The fourth proportional to 614,083.34, 921,265.23 and 187,679.85 is: 281,562.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,083.34 : 921,265.23 = 187,679.85 : x
  2. Step 2: Convert to fraction form
    614,083.34/921,265.23 = 187,679.85/x
  3. Step 3: Cross multiply
    614,083.34x = 921,265.23 × 187,679.85
  4. Step 4: Simplify right side
    614,083.34x = 172,902,919,238.22
  5. Step 5: Solve for x
    x = 172,902,919,238.22/614,083.34
  6. Step 6: Final answer
    x = 281,562.63

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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.