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Finding the Fourth Proportional to 364.24, 546.36 and 305.92

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Solution

The fourth proportional to 364.24, 546.36 and 305.92 is: 458.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.24 : 546.36 = 305.92 : x
  2. Step 2: Convert to fraction form
    364.24/546.36 = 305.92/x
  3. Step 3: Cross multiply
    364.24x = 546.36 × 305.92
  4. Step 4: Simplify right side
    364.24x = 167,142.45
  5. Step 5: Solve for x
    x = 167,142.45/364.24
  6. Step 6: Final answer
    x = 458.88

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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.