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Finding the Fourth Proportional to 454,388.34, 681,885.87 and 158,900.34

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Solution

The fourth proportional to 454,388.34, 681,885.87 and 158,900.34 is: 238,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,388.34 : 681,885.87 = 158,900.34 : x
  2. Step 2: Convert to fraction form
    454,388.34/681,885.87 = 158,900.34/x
  3. Step 3: Cross multiply
    454,388.34x = 681,885.87 × 158,900.34
  4. Step 4: Simplify right side
    454,388.34x = 108,351,896,584.20
  5. Step 5: Solve for x
    x = 108,351,896,584.20/454,388.34
  6. Step 6: Final answer
    x = 238,456.60

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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.