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Finding the Fourth Proportional to 1,251.14, 1,876.38 and 373.41

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Solution

The fourth proportional to 1,251.14, 1,876.38 and 373.41 is: 560.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251.14 : 1,876.38 = 373.41 : x
  2. Step 2: Convert to fraction form
    1,251.14/1,876.38 = 373.41/x
  3. Step 3: Cross multiply
    1,251.14x = 1,876.38 × 373.41
  4. Step 4: Simplify right side
    1,251.14x = 700,659.06
  5. Step 5: Solve for x
    x = 700,659.06/1,251.14
  6. Step 6: Final answer
    x = 560.02

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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.