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Finding the Fourth Proportional to 1,468.89, 2,203.67 and 494.97

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Solution

The fourth proportional to 1,468.89, 2,203.67 and 494.97 is: 742.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.89 : 2,203.67 = 494.97 : x
  2. Step 2: Convert to fraction form
    1,468.89/2,203.67 = 494.97/x
  3. Step 3: Cross multiply
    1,468.89x = 2,203.67 × 494.97
  4. Step 4: Simplify right side
    1,468.89x = 1,090,748.07
  5. Step 5: Solve for x
    x = 1,090,748.07/1,468.89
  6. Step 6: Final answer
    x = 742.56

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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.