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Finding the Fourth Proportional to 369.16, 552.56 and 282.83

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Solution

The fourth proportional to 369.16, 552.56 and 282.83 is: 423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.16 : 552.56 = 282.83 : x
  2. Step 2: Convert to fraction form
    369.16/552.56 = 282.83/x
  3. Step 3: Cross multiply
    369.16x = 552.56 × 282.83
  4. Step 4: Simplify right side
    369.16x = 156,276.37
  5. Step 5: Solve for x
    x = 156,276.37/369.16
  6. Step 6: Final answer
    x = 423.33

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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.