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Finding the Fourth Proportional to 934.28, 1,401.42 and 594.44

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Solution

The fourth proportional to 934.28, 1,401.42 and 594.44 is: 891.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.28 : 1,401.42 = 594.44 : x
  2. Step 2: Convert to fraction form
    934.28/1,401.42 = 594.44/x
  3. Step 3: Cross multiply
    934.28x = 1,401.42 × 594.44
  4. Step 4: Simplify right side
    934.28x = 833,060.10
  5. Step 5: Solve for x
    x = 833,060.10/934.28
  6. Step 6: Final answer
    x = 891.66

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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.