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Finding the Fourth Proportional to 606.95, 910.44 and 174.11

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Solution

The fourth proportional to 606.95, 910.44 and 174.11 is: 261.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.95 : 910.44 = 174.11 : x
  2. Step 2: Convert to fraction form
    606.95/910.44 = 174.11/x
  3. Step 3: Cross multiply
    606.95x = 910.44 × 174.11
  4. Step 4: Simplify right side
    606.95x = 158,516.71
  5. Step 5: Solve for x
    x = 158,516.71/606.95
  6. Step 6: Final answer
    x = 261.17

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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.