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Finding the Fourth Proportional to 368.84, 552.62 and 265.62

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Solution

The fourth proportional to 368.84, 552.62 and 265.62 is: 397.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.84 : 552.62 = 265.62 : x
  2. Step 2: Convert to fraction form
    368.84/552.62 = 265.62/x
  3. Step 3: Cross multiply
    368.84x = 552.62 × 265.62
  4. Step 4: Simplify right side
    368.84x = 146,786.92
  5. Step 5: Solve for x
    x = 146,786.92/368.84
  6. Step 6: Final answer
    x = 397.97

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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.