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Finding the Fourth Proportional to 606.06, 906.66 and 484.56

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Solution

The fourth proportional to 606.06, 906.66 and 484.56 is: 724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.06 : 906.66 = 484.56 : x
  2. Step 2: Convert to fraction form
    606.06/906.66 = 484.56/x
  3. Step 3: Cross multiply
    606.06x = 906.66 × 484.56
  4. Step 4: Simplify right side
    606.06x = 439,331.17
  5. Step 5: Solve for x
    x = 439,331.17/606.06
  6. Step 6: Final answer
    x = 724.90

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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.