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Finding the Fourth Proportional to 606.59, 914.17 and 548.15

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Solution

The fourth proportional to 606.59, 914.17 and 548.15 is: 826.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.59 : 914.17 = 548.15 : x
  2. Step 2: Convert to fraction form
    606.59/914.17 = 548.15/x
  3. Step 3: Cross multiply
    606.59x = 914.17 × 548.15
  4. Step 4: Simplify right side
    606.59x = 501,108.68
  5. Step 5: Solve for x
    x = 501,108.68/606.59
  6. Step 6: Final answer
    x = 826.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.