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Finding the Fourth Proportional to 313, 432 and 182.04

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Solution

The fourth proportional to 313, 432 and 182.04 is: 251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    313 : 432 = 182.04 : x
  2. Step 2: Convert to fraction form
    313/432 = 182.04/x
  3. Step 3: Cross multiply
    313x = 432 × 182.04
  4. Step 4: Simplify right side
    313x = 78,641.28
  5. Step 5: Solve for x
    x = 78,641.28/313
  6. Step 6: Final answer
    x = 251.25

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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.