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Finding the Fourth Proportional to 542,953.80, 814,722.30 and 227,442.60

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Solution

The fourth proportional to 542,953.80, 814,722.30 and 227,442.60 is: 341,286.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,953.80 : 814,722.30 = 227,442.60 : x
  2. Step 2: Convert to fraction form
    542,953.80/814,722.30 = 227,442.60/x
  3. Step 3: Cross multiply
    542,953.80x = 814,722.30 × 227,442.60
  4. Step 4: Simplify right side
    542,953.80x = 185,302,558,189.98
  5. Step 5: Solve for x
    x = 185,302,558,189.98/542,953.80
  6. Step 6: Final answer
    x = 341,286.05

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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.