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Finding the Fourth Proportional to 334.32, 461.04 and 210

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Solution

The fourth proportional to 334.32, 461.04 and 210 is: 289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.32 : 461.04 = 210 : x
  2. Step 2: Convert to fraction form
    334.32/461.04 = 210/x
  3. Step 3: Cross multiply
    334.32x = 461.04 × 210
  4. Step 4: Simplify right side
    334.32x = 96,818.40
  5. Step 5: Solve for x
    x = 96,818.40/334.32
  6. Step 6: Final answer
    x = 289.60

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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.