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Finding the Fourth Proportional to 369.25, 554.19 and 176.92

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Solution

The fourth proportional to 369.25, 554.19 and 176.92 is: 265.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.25 : 554.19 = 176.92 : x
  2. Step 2: Convert to fraction form
    369.25/554.19 = 176.92/x
  3. Step 3: Cross multiply
    369.25x = 554.19 × 176.92
  4. Step 4: Simplify right side
    369.25x = 98,047.29
  5. Step 5: Solve for x
    x = 98,047.29/369.25
  6. Step 6: Final answer
    x = 265.53

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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.