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Finding the Fourth Proportional to 562.33, 776.01 and 326.28

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Solution

The fourth proportional to 562.33, 776.01 and 326.28 is: 450.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.33 : 776.01 = 326.28 : x
  2. Step 2: Convert to fraction form
    562.33/776.01 = 326.28/x
  3. Step 3: Cross multiply
    562.33x = 776.01 × 326.28
  4. Step 4: Simplify right side
    562.33x = 253,196.54
  5. Step 5: Solve for x
    x = 253,196.54/562.33
  6. Step 6: Final answer
    x = 450.26

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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.