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Finding the Fourth Proportional to 482.62, 665.93 and 269.94

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Solution

The fourth proportional to 482.62, 665.93 and 269.94 is: 372.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.62 : 665.93 = 269.94 : x
  2. Step 2: Convert to fraction form
    482.62/665.93 = 269.94/x
  3. Step 3: Cross multiply
    482.62x = 665.93 × 269.94
  4. Step 4: Simplify right side
    482.62x = 179,756.46
  5. Step 5: Solve for x
    x = 179,756.46/482.62
  6. Step 6: Final answer
    x = 372.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.