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Finding the Fourth Proportional to 2,306.42, 3,458.90 and 746.13

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Solution

The fourth proportional to 2,306.42, 3,458.90 and 746.13 is: 1,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.42 : 3,458.90 = 746.13 : x
  2. Step 2: Convert to fraction form
    2,306.42/3,458.90 = 746.13/x
  3. Step 3: Cross multiply
    2,306.42x = 3,458.90 × 746.13
  4. Step 4: Simplify right side
    2,306.42x = 2,580,785.33
  5. Step 5: Solve for x
    x = 2,580,785.33/2,306.42
  6. Step 6: Final answer
    x = 1,118.96

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1.5x scale

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.