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Finding the Fourth Proportional to 364.43, 546.74 and 159.04

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Solution

The fourth proportional to 364.43, 546.74 and 159.04 is: 238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.43 : 546.74 = 159.04 : x
  2. Step 2: Convert to fraction form
    364.43/546.74 = 159.04/x
  3. Step 3: Cross multiply
    364.43x = 546.74 × 159.04
  4. Step 4: Simplify right side
    364.43x = 86,953.53
  5. Step 5: Solve for x
    x = 86,953.53/364.43
  6. Step 6: Final answer
    x = 238.60

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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.