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Finding the Fourth Proportional to 632,912.55, 873,443.34 and 361,024.71

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Solution

The fourth proportional to 632,912.55, 873,443.34 and 361,024.71 is: 498,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,912.55 : 873,443.34 = 361,024.71 : x
  2. Step 2: Convert to fraction form
    632,912.55/873,443.34 = 361,024.71/x
  3. Step 3: Cross multiply
    632,912.55x = 873,443.34 × 361,024.71
  4. Step 4: Simplify right side
    632,912.55x = 315,334,628,524.93
  5. Step 5: Solve for x
    x = 315,334,628,524.93/632,912.55
  6. Step 6: Final answer
    x = 498,227.80

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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.