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Finding the Fourth Proportional to 611.82, 917.73 and 597.24

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Solution

The fourth proportional to 611.82, 917.73 and 597.24 is: 895.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.82 : 917.73 = 597.24 : x
  2. Step 2: Convert to fraction form
    611.82/917.73 = 597.24/x
  3. Step 3: Cross multiply
    611.82x = 917.73 × 597.24
  4. Step 4: Simplify right side
    611.82x = 548,105.07
  5. Step 5: Solve for x
    x = 548,105.07/611.82
  6. Step 6: Final answer
    x = 895.86

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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.