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Finding the Fourth Proportional to 548,251.20, 822,376.80 and 193,301.10

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Solution

The fourth proportional to 548,251.20, 822,376.80 and 193,301.10 is: 289,951.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,251.20 : 822,376.80 = 193,301.10 : x
  2. Step 2: Convert to fraction form
    548,251.20/822,376.80 = 193,301.10/x
  3. Step 3: Cross multiply
    548,251.20x = 822,376.80 × 193,301.10
  4. Step 4: Simplify right side
    548,251.20x = 158,966,340,054.48
  5. Step 5: Solve for x
    x = 158,966,340,054.48/548,251.20
  6. Step 6: Final answer
    x = 289,951.65

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Similar ratio
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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.