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Finding the Fourth Proportional to 344, 474.51 and 261.02

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Solution

The fourth proportional to 344, 474.51 and 261.02 is: 360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    344 : 474.51 = 261.02 : x
  2. Step 2: Convert to fraction form
    344/474.51 = 261.02/x
  3. Step 3: Cross multiply
    344x = 474.51 × 261.02
  4. Step 4: Simplify right side
    344x = 123,856.60
  5. Step 5: Solve for x
    x = 123,856.60/344
  6. Step 6: Final answer
    x = 360.05

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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.