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Finding the Fourth Proportional to 607.97, 911.04 and 364.21

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Solution

The fourth proportional to 607.97, 911.04 and 364.21 is: 545.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.97 : 911.04 = 364.21 : x
  2. Step 2: Convert to fraction form
    607.97/911.04 = 364.21/x
  3. Step 3: Cross multiply
    607.97x = 911.04 × 364.21
  4. Step 4: Simplify right side
    607.97x = 331,803.50
  5. Step 5: Solve for x
    x = 331,803.50/607.97
  6. Step 6: Final answer
    x = 545.76

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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.