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Finding the Fourth Proportional to 1,224.67, 1,837.73 and 444.73

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Solution

The fourth proportional to 1,224.67, 1,837.73 and 444.73 is: 667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.67 : 1,837.73 = 444.73 : x
  2. Step 2: Convert to fraction form
    1,224.67/1,837.73 = 444.73/x
  3. Step 3: Cross multiply
    1,224.67x = 1,837.73 × 444.73
  4. Step 4: Simplify right side
    1,224.67x = 817,293.11
  5. Step 5: Solve for x
    x = 817,293.11/1,224.67
  6. Step 6: Final answer
    x = 667.36

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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.