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Finding the Fourth Proportional to 369.52, 554.44 and 153.04

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Solution

The fourth proportional to 369.52, 554.44 and 153.04 is: 229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.52 : 554.44 = 153.04 : x
  2. Step 2: Convert to fraction form
    369.52/554.44 = 153.04/x
  3. Step 3: Cross multiply
    369.52x = 554.44 × 153.04
  4. Step 4: Simplify right side
    369.52x = 84,851.50
  5. Step 5: Solve for x
    x = 84,851.50/369.52
  6. Step 6: Final answer
    x = 229.63

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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.