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Finding the Fourth Proportional to 454,611.30, 682,330.05 and 230,127.90

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Solution

The fourth proportional to 454,611.30, 682,330.05 and 230,127.90 is: 345,400.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,611.30 : 682,330.05 = 230,127.90 : x
  2. Step 2: Convert to fraction form
    454,611.30/682,330.05 = 230,127.90/x
  3. Step 3: Cross multiply
    454,611.30x = 682,330.05 × 230,127.90
  4. Step 4: Simplify right side
    454,611.30x = 157,023,181,513.40
  5. Step 5: Solve for x
    x = 157,023,181,513.40/454,611.30
  6. Step 6: Final answer
    x = 345,400.96

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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.