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Finding the Fourth Proportional to 1,042.83, 1,439.24 and 600.98

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Solution

The fourth proportional to 1,042.83, 1,439.24 and 600.98 is: 829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042.83 : 1,439.24 = 600.98 : x
  2. Step 2: Convert to fraction form
    1,042.83/1,439.24 = 600.98/x
  3. Step 3: Cross multiply
    1,042.83x = 1,439.24 × 600.98
  4. Step 4: Simplify right side
    1,042.83x = 864,944.25
  5. Step 5: Solve for x
    x = 864,944.25/1,042.83
  6. Step 6: Final answer
    x = 829.42

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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.