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Finding the Fourth Proportional to 606.52, 909.80 and 167.77

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Solution

The fourth proportional to 606.52, 909.80 and 167.77 is: 251.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.52 : 909.80 = 167.77 : x
  2. Step 2: Convert to fraction form
    606.52/909.80 = 167.77/x
  3. Step 3: Cross multiply
    606.52x = 909.80 × 167.77
  4. Step 4: Simplify right side
    606.52x = 152,637.15
  5. Step 5: Solve for x
    x = 152,637.15/606.52
  6. Step 6: Final answer
    x = 251.66

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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.