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Finding the Fourth Proportional to 362.93, 543.98 and 146.25

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Solution

The fourth proportional to 362.93, 543.98 and 146.25 is: 219.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.93 : 543.98 = 146.25 : x
  2. Step 2: Convert to fraction form
    362.93/543.98 = 146.25/x
  3. Step 3: Cross multiply
    362.93x = 543.98 × 146.25
  4. Step 4: Simplify right side
    362.93x = 79,557.44
  5. Step 5: Solve for x
    x = 79,557.44/362.93
  6. Step 6: Final answer
    x = 219.21

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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.