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Finding the Fourth Proportional to 344.59, 475.22 and 292.07

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Solution

The fourth proportional to 344.59, 475.22 and 292.07 is: 402.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.59 : 475.22 = 292.07 : x
  2. Step 2: Convert to fraction form
    344.59/475.22 = 292.07/x
  3. Step 3: Cross multiply
    344.59x = 475.22 × 292.07
  4. Step 4: Simplify right side
    344.59x = 138,797.51
  5. Step 5: Solve for x
    x = 138,797.51/344.59
  6. Step 6: Final answer
    x = 402.79

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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.