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Finding the Fourth Proportional to 411,685.60, 568,113.89 and 227,932.34

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Solution

The fourth proportional to 411,685.60, 568,113.89 and 227,932.34 is: 314,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,685.60 : 568,113.89 = 227,932.34 : x
  2. Step 2: Convert to fraction form
    411,685.60/568,113.89 = 227,932.34/x
  3. Step 3: Cross multiply
    411,685.60x = 568,113.89 × 227,932.34
  4. Step 4: Simplify right side
    411,685.60x = 129,491,526,063.46
  5. Step 5: Solve for x
    x = 129,491,526,063.46/411,685.60
  6. Step 6: Final answer
    x = 314,539.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.