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Finding the Fourth Proportional to 369.24, 553.07 and 173.95

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Solution

The fourth proportional to 369.24, 553.07 and 173.95 is: 260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.24 : 553.07 = 173.95 : x
  2. Step 2: Convert to fraction form
    369.24/553.07 = 173.95/x
  3. Step 3: Cross multiply
    369.24x = 553.07 × 173.95
  4. Step 4: Simplify right side
    369.24x = 96,205.51
  5. Step 5: Solve for x
    x = 96,205.51/369.24
  6. Step 6: Final answer
    x = 260.55

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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.