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Finding the Fourth Proportional to 1,016.65, 1,524.30 and 367.30

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Solution

The fourth proportional to 1,016.65, 1,524.30 and 367.30 is: 550.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016.65 : 1,524.30 = 367.30 : x
  2. Step 2: Convert to fraction form
    1,016.65/1,524.30 = 367.30/x
  3. Step 3: Cross multiply
    1,016.65x = 1,524.30 × 367.30
  4. Step 4: Simplify right side
    1,016.65x = 559,875.39
  5. Step 5: Solve for x
    x = 559,875.39/1,016.65
  6. Step 6: Final answer
    x = 550.71

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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.