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Finding the Fourth Proportional to 1,039.23, 1,557.36 and 600.48

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Solution

The fourth proportional to 1,039.23, 1,557.36 and 600.48 is: 899.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039.23 : 1,557.36 = 600.48 : x
  2. Step 2: Convert to fraction form
    1,039.23/1,557.36 = 600.48/x
  3. Step 3: Cross multiply
    1,039.23x = 1,557.36 × 600.48
  4. Step 4: Simplify right side
    1,039.23x = 935,163.53
  5. Step 5: Solve for x
    x = 935,163.53/1,039.23
  6. Step 6: Final answer
    x = 899.86

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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.