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Finding the Fourth Proportional to 411,686.60, 568,115.27 and 227,933.34

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Solution

The fourth proportional to 411,686.60, 568,115.27 and 227,933.34 is: 314,541.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,686.60 : 568,115.27 = 227,933.34 : x
  2. Step 2: Convert to fraction form
    411,686.60/568,115.27 = 227,933.34/x
  3. Step 3: Cross multiply
    411,686.60x = 568,115.27 × 227,933.34
  4. Step 4: Simplify right side
    411,686.60x = 129,492,410,996.10
  5. Step 5: Solve for x
    x = 129,492,410,996.10/411,686.60
  6. Step 6: Final answer
    x = 314,541.23

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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.