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Finding the Fourth Proportional to 1,168.57, 1,752.84 and 302.86

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Solution

The fourth proportional to 1,168.57, 1,752.84 and 302.86 is: 454.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.57 : 1,752.84 = 302.86 : x
  2. Step 2: Convert to fraction form
    1,168.57/1,752.84 = 302.86/x
  3. Step 3: Cross multiply
    1,168.57x = 1,752.84 × 302.86
  4. Step 4: Simplify right side
    1,168.57x = 530,865.12
  5. Step 5: Solve for x
    x = 530,865.12/1,168.57
  6. Step 6: Final answer
    x = 454.29

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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.