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Finding the Fourth Proportional to 1,010.84, 1,516.14 and 326.84

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Solution

The fourth proportional to 1,010.84, 1,516.14 and 326.84 is: 490.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010.84 : 1,516.14 = 326.84 : x
  2. Step 2: Convert to fraction form
    1,010.84/1,516.14 = 326.84/x
  3. Step 3: Cross multiply
    1,010.84x = 1,516.14 × 326.84
  4. Step 4: Simplify right side
    1,010.84x = 495,535.20
  5. Step 5: Solve for x
    x = 495,535.20/1,010.84
  6. Step 6: Final answer
    x = 490.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.