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Finding the Fourth Proportional to 1,549.16, 2,324 and 453.56

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Solution

The fourth proportional to 1,549.16, 2,324 and 453.56 is: 680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.16 : 2,324 = 453.56 : x
  2. Step 2: Convert to fraction form
    1,549.16/2,324 = 453.56/x
  3. Step 3: Cross multiply
    1,549.16x = 2,324 × 453.56
  4. Step 4: Simplify right side
    1,549.16x = 1,054,073.44
  5. Step 5: Solve for x
    x = 1,054,073.44/1,549.16
  6. Step 6: Final answer
    x = 680.42

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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.