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Finding the Fourth Proportional to 1,063.32, 1,593.36 and 485.52

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Solution

The fourth proportional to 1,063.32, 1,593.36 and 485.52 is: 727.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.32 : 1,593.36 = 485.52 : x
  2. Step 2: Convert to fraction form
    1,063.32/1,593.36 = 485.52/x
  3. Step 3: Cross multiply
    1,063.32x = 1,593.36 × 485.52
  4. Step 4: Simplify right side
    1,063.32x = 773,608.15
  5. Step 5: Solve for x
    x = 773,608.15/1,063.32
  6. Step 6: Final answer
    x = 727.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.