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Finding the Fourth Proportional to 334.65, 461.80 and 224.11

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Solution

The fourth proportional to 334.65, 461.80 and 224.11 is: 309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.65 : 461.80 = 224.11 : x
  2. Step 2: Convert to fraction form
    334.65/461.80 = 224.11/x
  3. Step 3: Cross multiply
    334.65x = 461.80 × 224.11
  4. Step 4: Simplify right side
    334.65x = 103,492.28
  5. Step 5: Solve for x
    x = 103,492.28/334.65
  6. Step 6: Final answer
    x = 309.26

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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.