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Finding the Fourth Proportional to 369.62, 553.46 and 296.16

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Solution

The fourth proportional to 369.62, 553.46 and 296.16 is: 443.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.62 : 553.46 = 296.16 : x
  2. Step 2: Convert to fraction form
    369.62/553.46 = 296.16/x
  3. Step 3: Cross multiply
    369.62x = 553.46 × 296.16
  4. Step 4: Simplify right side
    369.62x = 163,912.71
  5. Step 5: Solve for x
    x = 163,912.71/369.62
  6. Step 6: Final answer
    x = 443.46

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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.