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Finding the Fourth Proportional to 362.64, 544.04 and 146.23

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Solution

The fourth proportional to 362.64, 544.04 and 146.23 is: 219.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.64 : 544.04 = 146.23 : x
  2. Step 2: Convert to fraction form
    362.64/544.04 = 146.23/x
  3. Step 3: Cross multiply
    362.64x = 544.04 × 146.23
  4. Step 4: Simplify right side
    362.64x = 79,554.97
  5. Step 5: Solve for x
    x = 79,554.97/362.64
  6. Step 6: Final answer
    x = 219.38

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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.