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Finding the Fourth Proportional to 1,524.08, 2,286.11 and 549.95

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Solution

The fourth proportional to 1,524.08, 2,286.11 and 549.95 is: 824.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.08 : 2,286.11 = 549.95 : x
  2. Step 2: Convert to fraction form
    1,524.08/2,286.11 = 549.95/x
  3. Step 3: Cross multiply
    1,524.08x = 2,286.11 × 549.95
  4. Step 4: Simplify right side
    1,524.08x = 1,257,240.48
  5. Step 5: Solve for x
    x = 1,257,240.48/1,524.08
  6. Step 6: Final answer
    x = 824.92

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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.