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Finding the Fourth Proportional to 934.43, 1,400.27 and 568.33

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Solution

The fourth proportional to 934.43, 1,400.27 and 568.33 is: 851.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.43 : 1,400.27 = 568.33 : x
  2. Step 2: Convert to fraction form
    934.43/1,400.27 = 568.33/x
  3. Step 3: Cross multiply
    934.43x = 1,400.27 × 568.33
  4. Step 4: Simplify right side
    934.43x = 795,812.61
  5. Step 5: Solve for x
    x = 795,812.61/934.43
  6. Step 6: Final answer
    x = 851.66

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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.