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Finding the Fourth Proportional to 1,044.98, 1,442.06 and 579.24

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Solution

The fourth proportional to 1,044.98, 1,442.06 and 579.24 is: 799.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.98 : 1,442.06 = 579.24 : x
  2. Step 2: Convert to fraction form
    1,044.98/1,442.06 = 579.24/x
  3. Step 3: Cross multiply
    1,044.98x = 1,442.06 × 579.24
  4. Step 4: Simplify right side
    1,044.98x = 835,298.83
  5. Step 5: Solve for x
    x = 835,298.83/1,044.98
  6. Step 6: Final answer
    x = 799.34

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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.