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Finding the Fourth Proportional to 609,540.12, 914,395.68 and 254,473.38

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Solution

The fourth proportional to 609,540.12, 914,395.68 and 254,473.38 is: 381,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,540.12 : 914,395.68 = 254,473.38 : x
  2. Step 2: Convert to fraction form
    609,540.12/914,395.68 = 254,473.38/x
  3. Step 3: Cross multiply
    609,540.12x = 914,395.68 × 254,473.38
  4. Step 4: Simplify right side
    609,540.12x = 232,689,359,347.00
  5. Step 5: Solve for x
    x = 232,689,359,347.00/609,540.12
  6. Step 6: Final answer
    x = 381,745.76

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1.5x scale

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.