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Finding the Fourth Proportional to 934.84, 1,402.14 and 773.56

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Solution

The fourth proportional to 934.84, 1,402.14 and 773.56 is: 1,160.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.84 : 1,402.14 = 773.56 : x
  2. Step 2: Convert to fraction form
    934.84/1,402.14 = 773.56/x
  3. Step 3: Cross multiply
    934.84x = 1,402.14 × 773.56
  4. Step 4: Simplify right side
    934.84x = 1,084,639.42
  5. Step 5: Solve for x
    x = 1,084,639.42/934.84
  6. Step 6: Final answer
    x = 1,160.24

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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.