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Finding the Fourth Proportional to 367,074.30, 550,481.85 and 130,424.70

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Solution

The fourth proportional to 367,074.30, 550,481.85 and 130,424.70 is: 195,591.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,074.30 : 550,481.85 = 130,424.70 : x
  2. Step 2: Convert to fraction form
    367,074.30/550,481.85 = 130,424.70/x
  3. Step 3: Cross multiply
    367,074.30x = 550,481.85 × 130,424.70
  4. Step 4: Simplify right side
    367,074.30x = 71,796,430,141.70
  5. Step 5: Solve for x
    x = 71,796,430,141.70/367,074.30
  6. Step 6: Final answer
    x = 195,591.00

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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.