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Finding the Fourth Proportional to 334.48, 461.52 and 210.20

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Solution

The fourth proportional to 334.48, 461.52 and 210.20 is: 290.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.48 : 461.52 = 210.20 : x
  2. Step 2: Convert to fraction form
    334.48/461.52 = 210.20/x
  3. Step 3: Cross multiply
    334.48x = 461.52 × 210.20
  4. Step 4: Simplify right side
    334.48x = 97,011.50
  5. Step 5: Solve for x
    x = 97,011.50/334.48
  6. Step 6: Final answer
    x = 290.04

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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.