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Finding the Fourth Proportional to 2,262.46, 3,393.69 and 723.58

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Solution

The fourth proportional to 2,262.46, 3,393.69 and 723.58 is: 1,085.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.46 : 3,393.69 = 723.58 : x
  2. Step 2: Convert to fraction form
    2,262.46/3,393.69 = 723.58/x
  3. Step 3: Cross multiply
    2,262.46x = 3,393.69 × 723.58
  4. Step 4: Simplify right side
    2,262.46x = 2,455,606.21
  5. Step 5: Solve for x
    x = 2,455,606.21/2,262.46
  6. Step 6: Final answer
    x = 1,085.37

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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.