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Finding the Fourth Proportional to 1,083.60, 1,626.48 and 596.88

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Solution

The fourth proportional to 1,083.60, 1,626.48 and 596.88 is: 895.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083.60 : 1,626.48 = 596.88 : x
  2. Step 2: Convert to fraction form
    1,083.60/1,626.48 = 596.88/x
  3. Step 3: Cross multiply
    1,083.60x = 1,626.48 × 596.88
  4. Step 4: Simplify right side
    1,083.60x = 970,813.38
  5. Step 5: Solve for x
    x = 970,813.38/1,083.60
  6. Step 6: Final answer
    x = 895.91

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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.