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Finding the Fourth Proportional to 605,621.40, 908,104.05 and 250,233.90

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Solution

The fourth proportional to 605,621.40, 908,104.05 and 250,233.90 is: 375,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,621.40 : 908,104.05 = 250,233.90 : x
  2. Step 2: Convert to fraction form
    605,621.40/908,104.05 = 250,233.90/x
  3. Step 3: Cross multiply
    605,621.40x = 908,104.05 × 250,233.90
  4. Step 4: Simplify right side
    605,621.40x = 227,238,418,037.30
  5. Step 5: Solve for x
    x = 227,238,418,037.30/605,621.40
  6. Step 6: Final answer
    x = 375,215.30

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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.