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Finding the Fourth Proportional to 395.28, 592.46 and 164.13

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Solution

The fourth proportional to 395.28, 592.46 and 164.13 is: 246.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.28 : 592.46 = 164.13 : x
  2. Step 2: Convert to fraction form
    395.28/592.46 = 164.13/x
  3. Step 3: Cross multiply
    395.28x = 592.46 × 164.13
  4. Step 4: Simplify right side
    395.28x = 97,238.96
  5. Step 5: Solve for x
    x = 97,238.96/395.28
  6. Step 6: Final answer
    x = 246.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.