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Finding the Fourth Proportional to 1,015.85, 1,524.18 and 366.63

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Solution

The fourth proportional to 1,015.85, 1,524.18 and 366.63 is: 550.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015.85 : 1,524.18 = 366.63 : x
  2. Step 2: Convert to fraction form
    1,015.85/1,524.18 = 366.63/x
  3. Step 3: Cross multiply
    1,015.85x = 1,524.18 × 366.63
  4. Step 4: Simplify right side
    1,015.85x = 558,810.11
  5. Step 5: Solve for x
    x = 558,810.11/1,015.85
  6. Step 6: Final answer
    x = 550.09

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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.