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Finding the Fourth Proportional to 364.84, 547.42 and 159.46

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Solution

The fourth proportional to 364.84, 547.42 and 159.46 is: 239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.84 : 547.42 = 159.46 : x
  2. Step 2: Convert to fraction form
    364.84/547.42 = 159.46/x
  3. Step 3: Cross multiply
    364.84x = 547.42 × 159.46
  4. Step 4: Simplify right side
    364.84x = 87,291.59
  5. Step 5: Solve for x
    x = 87,291.59/364.84
  6. Step 6: Final answer
    x = 239.26

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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.