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Finding the Fourth Proportional to 364.33, 546.51 and 120.83

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Solution

The fourth proportional to 364.33, 546.51 and 120.83 is: 181.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.33 : 546.51 = 120.83 : x
  2. Step 2: Convert to fraction form
    364.33/546.51 = 120.83/x
  3. Step 3: Cross multiply
    364.33x = 546.51 × 120.83
  4. Step 4: Simplify right side
    364.33x = 66,032.52
  5. Step 5: Solve for x
    x = 66,032.52/364.33
  6. Step 6: Final answer
    x = 181.24

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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.