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Finding the Fourth Proportional to 934.89, 1,401.27 and 568.87

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Solution

The fourth proportional to 934.89, 1,401.27 and 568.87 is: 852.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.89 : 1,401.27 = 568.87 : x
  2. Step 2: Convert to fraction form
    934.89/1,401.27 = 568.87/x
  3. Step 3: Cross multiply
    934.89x = 1,401.27 × 568.87
  4. Step 4: Simplify right side
    934.89x = 797,140.46
  5. Step 5: Solve for x
    x = 797,140.46/934.89
  6. Step 6: Final answer
    x = 852.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.