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Finding the Fourth Proportional to 622,691.80, 933,908.10 and 173,296.60

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Solution

The fourth proportional to 622,691.80, 933,908.10 and 173,296.60 is: 259,908.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,691.80 : 933,908.10 = 173,296.60 : x
  2. Step 2: Convert to fraction form
    622,691.80/933,908.10 = 173,296.60/x
  3. Step 3: Cross multiply
    622,691.80x = 933,908.10 × 173,296.60
  4. Step 4: Simplify right side
    622,691.80x = 161,843,098,442.46
  5. Step 5: Solve for x
    x = 161,843,098,442.46/622,691.80
  6. Step 6: Final answer
    x = 259,908.83

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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.