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Finding the Fourth Proportional to 1,348.17, 2,022.03 and 470.79

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Solution

The fourth proportional to 1,348.17, 2,022.03 and 470.79 is: 706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.17 : 2,022.03 = 470.79 : x
  2. Step 2: Convert to fraction form
    1,348.17/2,022.03 = 470.79/x
  3. Step 3: Cross multiply
    1,348.17x = 2,022.03 × 470.79
  4. Step 4: Simplify right side
    1,348.17x = 951,951.50
  5. Step 5: Solve for x
    x = 951,951.50/1,348.17
  6. Step 6: Final answer
    x = 706.11

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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.