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Finding the Fourth Proportional to 934.44, 1,401.69 and 501.60

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Solution

The fourth proportional to 934.44, 1,401.69 and 501.60 is: 752.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.44 : 1,401.69 = 501.60 : x
  2. Step 2: Convert to fraction form
    934.44/1,401.69 = 501.60/x
  3. Step 3: Cross multiply
    934.44x = 1,401.69 × 501.60
  4. Step 4: Simplify right side
    934.44x = 703,087.70
  5. Step 5: Solve for x
    x = 703,087.70/934.44
  6. Step 6: Final answer
    x = 752.42

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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.