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Finding the Fourth Proportional to 624,604.36, 861,953.02 and 338,124.37

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Solution

The fourth proportional to 624,604.36, 861,953.02 and 338,124.37 is: 466,611.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,604.36 : 861,953.02 = 338,124.37 : x
  2. Step 2: Convert to fraction form
    624,604.36/861,953.02 = 338,124.37/x
  3. Step 3: Cross multiply
    624,604.36x = 861,953.02 × 338,124.37
  4. Step 4: Simplify right side
    624,604.36x = 291,447,321,857.10
  5. Step 5: Solve for x
    x = 291,447,321,857.10/624,604.36
  6. Step 6: Final answer
    x = 466,611.09

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