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Finding the Fourth Proportional to 362.91, 544.76 and 146.64

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Solution

The fourth proportional to 362.91, 544.76 and 146.64 is: 220.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.91 : 544.76 = 146.64 : x
  2. Step 2: Convert to fraction form
    362.91/544.76 = 146.64/x
  3. Step 3: Cross multiply
    362.91x = 544.76 × 146.64
  4. Step 4: Simplify right side
    362.91x = 79,883.61
  5. Step 5: Solve for x
    x = 79,883.61/362.91
  6. Step 6: Final answer
    x = 220.12

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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.