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Finding the Fourth Proportional to 437,274.20, 655,911.30 and 250,154.48

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Solution

The fourth proportional to 437,274.20, 655,911.30 and 250,154.48 is: 375,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,274.20 : 655,911.30 = 250,154.48 : x
  2. Step 2: Convert to fraction form
    437,274.20/655,911.30 = 250,154.48/x
  3. Step 3: Cross multiply
    437,274.20x = 655,911.30 × 250,154.48
  4. Step 4: Simplify right side
    437,274.20x = 164,079,150,177.62
  5. Step 5: Solve for x
    x = 164,079,150,177.62/437,274.20
  6. Step 6: Final answer
    x = 375,231.72

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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.