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Finding the Fourth Proportional to 364.06, 546.28 and 158.62

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Solution

The fourth proportional to 364.06, 546.28 and 158.62 is: 238.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.06 : 546.28 = 158.62 : x
  2. Step 2: Convert to fraction form
    364.06/546.28 = 158.62/x
  3. Step 3: Cross multiply
    364.06x = 546.28 × 158.62
  4. Step 4: Simplify right side
    364.06x = 86,650.93
  5. Step 5: Solve for x
    x = 86,650.93/364.06
  6. Step 6: Final answer
    x = 238.01

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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.