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Finding the Fourth Proportional to 437,911.20, 656,607.60 and 227,959.20

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Solution

The fourth proportional to 437,911.20, 656,607.60 and 227,959.20 is: 341,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,911.20 : 656,607.60 = 227,959.20 : x
  2. Step 2: Convert to fraction form
    437,911.20/656,607.60 = 227,959.20/x
  3. Step 3: Cross multiply
    437,911.20x = 656,607.60 × 227,959.20
  4. Step 4: Simplify right side
    437,911.20x = 149,679,743,209.92
  5. Step 5: Solve for x
    x = 149,679,743,209.92/437,911.20
  6. Step 6: Final answer
    x = 341,803.87

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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.