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Finding the Fourth Proportional to 562.74, 776.28 and 366.33

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Solution

The fourth proportional to 562.74, 776.28 and 366.33 is: 505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.74 : 776.28 = 366.33 : x
  2. Step 2: Convert to fraction form
    562.74/776.28 = 366.33/x
  3. Step 3: Cross multiply
    562.74x = 776.28 × 366.33
  4. Step 4: Simplify right side
    562.74x = 284,374.65
  5. Step 5: Solve for x
    x = 284,374.65/562.74
  6. Step 6: Final answer
    x = 505.34

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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.