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Finding the Fourth Proportional to 542,889.60, 814,324.80 and 222,972.16

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Solution

The fourth proportional to 542,889.60, 814,324.80 and 222,972.16 is: 334,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,889.60 : 814,324.80 = 222,972.16 : x
  2. Step 2: Convert to fraction form
    542,889.60/814,324.80 = 222,972.16/x
  3. Step 3: Cross multiply
    542,889.60x = 814,324.80 × 222,972.16
  4. Step 4: Simplify right side
    542,889.60x = 181,571,759,597.57
  5. Step 5: Solve for x
    x = 181,571,759,597.57/542,889.60
  6. Step 6: Final answer
    x = 334,454.30

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Double scale
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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.