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Finding the Fourth Proportional to 548.01, 823.59 and 366.66

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Solution

The fourth proportional to 548.01, 823.59 and 366.66 is: 551.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.01 : 823.59 = 366.66 : x
  2. Step 2: Convert to fraction form
    548.01/823.59 = 366.66/x
  3. Step 3: Cross multiply
    548.01x = 823.59 × 366.66
  4. Step 4: Simplify right side
    548.01x = 301,977.51
  5. Step 5: Solve for x
    x = 301,977.51/548.01
  6. Step 6: Final answer
    x = 551.04

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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.