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Finding the Fourth Proportional to 362.90, 544.76 and 146.63

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Solution

The fourth proportional to 362.90, 544.76 and 146.63 is: 220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.90 : 544.76 = 146.63 : x
  2. Step 2: Convert to fraction form
    362.90/544.76 = 146.63/x
  3. Step 3: Cross multiply
    362.90x = 544.76 × 146.63
  4. Step 4: Simplify right side
    362.90x = 79,878.16
  5. Step 5: Solve for x
    x = 79,878.16/362.90
  6. Step 6: Final answer
    x = 220.11

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