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Finding the Fourth Proportional to 335.88, 463.68 and 292.08

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Solution

The fourth proportional to 335.88, 463.68 and 292.08 is: 403.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.88 : 463.68 = 292.08 : x
  2. Step 2: Convert to fraction form
    335.88/463.68 = 292.08/x
  3. Step 3: Cross multiply
    335.88x = 463.68 × 292.08
  4. Step 4: Simplify right side
    335.88x = 135,431.65
  5. Step 5: Solve for x
    x = 135,431.65/335.88
  6. Step 6: Final answer
    x = 403.21

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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.