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Finding the Fourth Proportional to 1,044.84, 1,441.92 and 579.12

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Solution

The fourth proportional to 1,044.84, 1,441.92 and 579.12 is: 799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.84 : 1,441.92 = 579.12 : x
  2. Step 2: Convert to fraction form
    1,044.84/1,441.92 = 579.12/x
  3. Step 3: Cross multiply
    1,044.84x = 1,441.92 × 579.12
  4. Step 4: Simplify right side
    1,044.84x = 835,044.71
  5. Step 5: Solve for x
    x = 835,044.71/1,044.84
  6. Step 6: Final answer
    x = 799.21

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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.