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Finding the Fourth Proportional to 296,448.60, 444,672.90 and 254,458.20

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Solution

The fourth proportional to 296,448.60, 444,672.90 and 254,458.20 is: 381,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,448.60 : 444,672.90 = 254,458.20 : x
  2. Step 2: Convert to fraction form
    296,448.60/444,672.90 = 254,458.20/x
  3. Step 3: Cross multiply
    296,448.60x = 444,672.90 × 254,458.20
  4. Step 4: Simplify right side
    296,448.60x = 113,150,665,722.78
  5. Step 5: Solve for x
    x = 113,150,665,722.78/296,448.60
  6. Step 6: Final answer
    x = 381,687.30

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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.