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Finding the Fourth Proportional to 334.91, 462.04 and 210.49

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Solution

The fourth proportional to 334.91, 462.04 and 210.49 is: 290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.91 : 462.04 = 210.49 : x
  2. Step 2: Convert to fraction form
    334.91/462.04 = 210.49/x
  3. Step 3: Cross multiply
    334.91x = 462.04 × 210.49
  4. Step 4: Simplify right side
    334.91x = 97,253.12
  5. Step 5: Solve for x
    x = 97,253.12/334.91
  6. Step 6: Final answer
    x = 290.38

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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.