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Finding the Fourth Proportional to 364.76, 547.18 and 108.26

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Solution

The fourth proportional to 364.76, 547.18 and 108.26 is: 162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.76 : 547.18 = 108.26 : x
  2. Step 2: Convert to fraction form
    364.76/547.18 = 108.26/x
  3. Step 3: Cross multiply
    364.76x = 547.18 × 108.26
  4. Step 4: Simplify right side
    364.76x = 59,237.71
  5. Step 5: Solve for x
    x = 59,237.71/364.76
  6. Step 6: Final answer
    x = 162.40

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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.