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Finding the Fourth Proportional to 314.19, 433.53 and 183.13

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Solution

The fourth proportional to 314.19, 433.53 and 183.13 is: 252.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.19 : 433.53 = 183.13 : x
  2. Step 2: Convert to fraction form
    314.19/433.53 = 183.13/x
  3. Step 3: Cross multiply
    314.19x = 433.53 × 183.13
  4. Step 4: Simplify right side
    314.19x = 79,391.27
  5. Step 5: Solve for x
    x = 79,391.27/314.19
  6. Step 6: Final answer
    x = 252.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.