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Finding the Fourth Proportional to 364.50, 546.21 and 242.46

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Solution

The fourth proportional to 364.50, 546.21 and 242.46 is: 363.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.50 : 546.21 = 242.46 : x
  2. Step 2: Convert to fraction form
    364.50/546.21 = 242.46/x
  3. Step 3: Cross multiply
    364.50x = 546.21 × 242.46
  4. Step 4: Simplify right side
    364.50x = 132,434.08
  5. Step 5: Solve for x
    x = 132,434.08/364.50
  6. Step 6: Final answer
    x = 363.33

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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.