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Finding the Fourth Proportional to 934.44, 1,401.86 and 472.04

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Solution

The fourth proportional to 934.44, 1,401.86 and 472.04 is: 708.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.44 : 1,401.86 = 472.04 : x
  2. Step 2: Convert to fraction form
    934.44/1,401.86 = 472.04/x
  3. Step 3: Cross multiply
    934.44x = 1,401.86 × 472.04
  4. Step 4: Simplify right side
    934.44x = 661,724.62
  5. Step 5: Solve for x
    x = 661,724.62/934.44
  6. Step 6: Final answer
    x = 708.15

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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.