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Finding the Fourth Proportional to 733.38, 1,010.16 and 696.30

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Solution

The fourth proportional to 733.38, 1,010.16 and 696.30 is: 959.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.38 : 1,010.16 = 696.30 : x
  2. Step 2: Convert to fraction form
    733.38/1,010.16 = 696.30/x
  3. Step 3: Cross multiply
    733.38x = 1,010.16 × 696.30
  4. Step 4: Simplify right side
    733.38x = 703,374.41
  5. Step 5: Solve for x
    x = 703,374.41/733.38
  6. Step 6: Final answer
    x = 959.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.