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Finding the Fourth Proportional to 349.95, 482.76 and 232.13

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Solution

The fourth proportional to 349.95, 482.76 and 232.13 is: 320.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.95 : 482.76 = 232.13 : x
  2. Step 2: Convert to fraction form
    349.95/482.76 = 232.13/x
  3. Step 3: Cross multiply
    349.95x = 482.76 × 232.13
  4. Step 4: Simplify right side
    349.95x = 112,063.08
  5. Step 5: Solve for x
    x = 112,063.08/349.95
  6. Step 6: Final answer
    x = 320.23

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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.