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Finding the Fourth Proportional to 624,211.11, 861,137.93 and 365,957.39

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Solution

The fourth proportional to 624,211.11, 861,137.93 and 365,957.39 is: 504,860.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,211.11 : 861,137.93 = 365,957.39 : x
  2. Step 2: Convert to fraction form
    624,211.11/861,137.93 = 365,957.39/x
  3. Step 3: Cross multiply
    624,211.11x = 861,137.93 × 365,957.39
  4. Step 4: Simplify right side
    624,211.11x = 315,139,792,360.54
  5. Step 5: Solve for x
    x = 315,139,792,360.54/624,211.11
  6. Step 6: Final answer
    x = 504,860.92

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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.