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Finding the Fourth Proportional to 364.66, 547.06 and 148.26

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Solution

The fourth proportional to 364.66, 547.06 and 148.26 is: 222.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.66 : 547.06 = 148.26 : x
  2. Step 2: Convert to fraction form
    364.66/547.06 = 148.26/x
  3. Step 3: Cross multiply
    364.66x = 547.06 × 148.26
  4. Step 4: Simplify right side
    364.66x = 81,107.12
  5. Step 5: Solve for x
    x = 81,107.12/364.66
  6. Step 6: Final answer
    x = 222.42

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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.