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Finding the Fourth Proportional to 1,039.73, 1,558.11 and 600.98

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Solution

The fourth proportional to 1,039.73, 1,558.11 and 600.98 is: 900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039.73 : 1,558.11 = 600.98 : x
  2. Step 2: Convert to fraction form
    1,039.73/1,558.11 = 600.98/x
  3. Step 3: Cross multiply
    1,039.73x = 1,558.11 × 600.98
  4. Step 4: Simplify right side
    1,039.73x = 936,392.95
  5. Step 5: Solve for x
    x = 936,392.95/1,039.73
  6. Step 6: Final answer
    x = 900.61

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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.