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Finding the Fourth Proportional to 1,016.34, 1,523.22 and 366.36

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Solution

The fourth proportional to 1,016.34, 1,523.22 and 366.36 is: 549.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.34 : 1,523.22 = 366.36 : x
  2. Step 2: Convert to fraction form
    1,016.34/1,523.22 = 366.36/x
  3. Step 3: Cross multiply
    1,016.34x = 1,523.22 × 366.36
  4. Step 4: Simplify right side
    1,016.34x = 558,046.88
  5. Step 5: Solve for x
    x = 558,046.88/1,016.34
  6. Step 6: Final answer
    x = 549.07

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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.