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Finding the Fourth Proportional to 542,889.64, 814,338.78 and 222,959.08

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Solution

The fourth proportional to 542,889.64, 814,338.78 and 222,959.08 is: 334,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,889.64 : 814,338.78 = 222,959.08 : x
  2. Step 2: Convert to fraction form
    542,889.64/814,338.78 = 222,959.08/x
  3. Step 3: Cross multiply
    542,889.64x = 814,338.78 × 222,959.08
  4. Step 4: Simplify right side
    542,889.64x = 181,564,225,197.12
  5. Step 5: Solve for x
    x = 181,564,225,197.12/542,889.64
  6. Step 6: Final answer
    x = 334,440.39

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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.