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Finding the Fourth Proportional to 1,348.53, 2,022.18 and 482.86

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Solution

The fourth proportional to 1,348.53, 2,022.18 and 482.86 is: 724.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.53 : 2,022.18 = 482.86 : x
  2. Step 2: Convert to fraction form
    1,348.53/2,022.18 = 482.86/x
  3. Step 3: Cross multiply
    1,348.53x = 2,022.18 × 482.86
  4. Step 4: Simplify right side
    1,348.53x = 976,429.83
  5. Step 5: Solve for x
    x = 976,429.83/1,348.53
  6. Step 6: Final answer
    x = 724.07

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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.