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Finding the Fourth Proportional to 365.24, 546.84 and 210.94

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Solution

The fourth proportional to 365.24, 546.84 and 210.94 is: 315.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.24 : 546.84 = 210.94 : x
  2. Step 2: Convert to fraction form
    365.24/546.84 = 210.94/x
  3. Step 3: Cross multiply
    365.24x = 546.84 × 210.94
  4. Step 4: Simplify right side
    365.24x = 115,350.43
  5. Step 5: Solve for x
    x = 115,350.43/365.24
  6. Step 6: Final answer
    x = 315.82

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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.