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Finding the Fourth Proportional to 1,224.87, 1,837.30 and 444.97

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Solution

The fourth proportional to 1,224.87, 1,837.30 and 444.97 is: 667.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.87 : 1,837.30 = 444.97 : x
  2. Step 2: Convert to fraction form
    1,224.87/1,837.30 = 444.97/x
  3. Step 3: Cross multiply
    1,224.87x = 1,837.30 × 444.97
  4. Step 4: Simplify right side
    1,224.87x = 817,543.38
  5. Step 5: Solve for x
    x = 817,543.38/1,224.87
  6. Step 6: Final answer
    x = 667.45

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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.