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Finding the Fourth Proportional to 334.23, 461.40 and 292.83

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Solution

The fourth proportional to 334.23, 461.40 and 292.83 is: 404.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.23 : 461.40 = 292.83 : x
  2. Step 2: Convert to fraction form
    334.23/461.40 = 292.83/x
  3. Step 3: Cross multiply
    334.23x = 461.40 × 292.83
  4. Step 4: Simplify right side
    334.23x = 135,111.76
  5. Step 5: Solve for x
    x = 135,111.76/334.23
  6. Step 6: Final answer
    x = 404.25

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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.