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Finding the Fourth Proportional to 1,232.22, 1,700.49 and 672.69

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Solution

The fourth proportional to 1,232.22, 1,700.49 and 672.69 is: 928.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.22 : 1,700.49 = 672.69 : x
  2. Step 2: Convert to fraction form
    1,232.22/1,700.49 = 672.69/x
  3. Step 3: Cross multiply
    1,232.22x = 1,700.49 × 672.69
  4. Step 4: Simplify right side
    1,232.22x = 1,143,902.62
  5. Step 5: Solve for x
    x = 1,143,902.62/1,232.22
  6. Step 6: Final answer
    x = 928.33

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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.