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Finding the Fourth Proportional to 632,912.05, 873,442.65 and 361,024.21

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Solution

The fourth proportional to 632,912.05, 873,442.65 and 361,024.21 is: 498,227.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,912.05 : 873,442.65 = 361,024.21 : x
  2. Step 2: Convert to fraction form
    632,912.05/873,442.65 = 361,024.21/x
  3. Step 3: Cross multiply
    632,912.05x = 873,442.65 × 361,024.21
  4. Step 4: Simplify right side
    632,912.05x = 315,333,942,696.56
  5. Step 5: Solve for x
    x = 315,333,942,696.56/632,912.05
  6. Step 6: Final answer
    x = 498,227.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.