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Finding the Fourth Proportional to 362.92, 544.68 and 146.65

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Solution

The fourth proportional to 362.92, 544.68 and 146.65 is: 220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.92 : 544.68 = 146.65 : x
  2. Step 2: Convert to fraction form
    362.92/544.68 = 146.65/x
  3. Step 3: Cross multiply
    362.92x = 544.68 × 146.65
  4. Step 4: Simplify right side
    362.92x = 79,877.32
  5. Step 5: Solve for x
    x = 79,877.32/362.92
  6. Step 6: Final answer
    x = 220.10

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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.