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Finding the Fourth Proportional to 411,512.64, 567,883.26 and 227,751.57

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Solution

The fourth proportional to 411,512.64, 567,883.26 and 227,751.57 is: 314,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,512.64 : 567,883.26 = 227,751.57 : x
  2. Step 2: Convert to fraction form
    411,512.64/567,883.26 = 227,751.57/x
  3. Step 3: Cross multiply
    411,512.64x = 567,883.26 × 227,751.57
  4. Step 4: Simplify right side
    411,512.64x = 129,336,304,041.72
  5. Step 5: Solve for x
    x = 129,336,304,041.72/411,512.64
  6. Step 6: Final answer
    x = 314,294.85

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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.