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Finding the Fourth Proportional to 334.60, 461.96 and 210.32

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Solution

The fourth proportional to 334.60, 461.96 and 210.32 is: 290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.60 : 461.96 = 210.32 : x
  2. Step 2: Convert to fraction form
    334.60/461.96 = 210.32/x
  3. Step 3: Cross multiply
    334.60x = 461.96 × 210.32
  4. Step 4: Simplify right side
    334.60x = 97,159.43
  5. Step 5: Solve for x
    x = 97,159.43/334.60
  6. Step 6: Final answer
    x = 290.37

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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.