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Finding the Fourth Proportional to 364.28, 546.48 and 307.04

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Solution

The fourth proportional to 364.28, 546.48 and 307.04 is: 460.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.28 : 546.48 = 307.04 : x
  2. Step 2: Convert to fraction form
    364.28/546.48 = 307.04/x
  3. Step 3: Cross multiply
    364.28x = 546.48 × 307.04
  4. Step 4: Simplify right side
    364.28x = 167,788.49
  5. Step 5: Solve for x
    x = 167,788.49/364.28
  6. Step 6: Final answer
    x = 460.61

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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.