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Finding the Fourth Proportional to 1,462.84, 2,192.88 and 538.18

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Solution

The fourth proportional to 1,462.84, 2,192.88 and 538.18 is: 806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.84 : 2,192.88 = 538.18 : x
  2. Step 2: Convert to fraction form
    1,462.84/2,192.88 = 538.18/x
  3. Step 3: Cross multiply
    1,462.84x = 2,192.88 × 538.18
  4. Step 4: Simplify right side
    1,462.84x = 1,180,164.16
  5. Step 5: Solve for x
    x = 1,180,164.16/1,462.84
  6. Step 6: Final answer
    x = 806.76

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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.