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Finding the Fourth Proportional to 437,599.20, 656,139.60 and 227,647.20

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Solution

The fourth proportional to 437,599.20, 656,139.60 and 227,647.20 is: 341,335.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,599.20 : 656,139.60 = 227,647.20 : x
  2. Step 2: Convert to fraction form
    437,599.20/656,139.60 = 227,647.20/x
  3. Step 3: Cross multiply
    437,599.20x = 656,139.60 × 227,647.20
  4. Step 4: Simplify right side
    437,599.20x = 149,368,342,749.12
  5. Step 5: Solve for x
    x = 149,368,342,749.12/437,599.20
  6. Step 6: Final answer
    x = 341,335.96

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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.