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Finding the Fourth Proportional to 1,015.62, 1,523.48 and 366.36

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Solution

The fourth proportional to 1,015.62, 1,523.48 and 366.36 is: 549.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015.62 : 1,523.48 = 366.36 : x
  2. Step 2: Convert to fraction form
    1,015.62/1,523.48 = 366.36/x
  3. Step 3: Cross multiply
    1,015.62x = 1,523.48 × 366.36
  4. Step 4: Simplify right side
    1,015.62x = 558,142.13
  5. Step 5: Solve for x
    x = 558,142.13/1,015.62
  6. Step 6: Final answer
    x = 549.56

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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.