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Finding the Fourth Proportional to 369.22, 553.83 and 95.33

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Solution

The fourth proportional to 369.22, 553.83 and 95.33 is: 143.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.22 : 553.83 = 95.33 : x
  2. Step 2: Convert to fraction form
    369.22/553.83 = 95.33/x
  3. Step 3: Cross multiply
    369.22x = 553.83 × 95.33
  4. Step 4: Simplify right side
    369.22x = 52,796.61
  5. Step 5: Solve for x
    x = 52,796.61/369.22
  6. Step 6: Final answer
    x = 143.00

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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.