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Finding the Fourth Proportional to 1,168.13, 1,752.06 and 302.51

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Solution

The fourth proportional to 1,168.13, 1,752.06 and 302.51 is: 453.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.13 : 1,752.06 = 302.51 : x
  2. Step 2: Convert to fraction form
    1,168.13/1,752.06 = 302.51/x
  3. Step 3: Cross multiply
    1,168.13x = 1,752.06 × 302.51
  4. Step 4: Simplify right side
    1,168.13x = 530,015.67
  5. Step 5: Solve for x
    x = 530,015.67/1,168.13
  6. Step 6: Final answer
    x = 453.73

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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.