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Finding the Fourth Proportional to 624,940.22, 937,411.68 and 225,862.76

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Solution

The fourth proportional to 624,940.22, 937,411.68 and 225,862.76 is: 338,794.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,940.22 : 937,411.68 = 225,862.76 : x
  2. Step 2: Convert to fraction form
    624,940.22/937,411.68 = 225,862.76/x
  3. Step 3: Cross multiply
    624,940.22x = 937,411.68 × 225,862.76
  4. Step 4: Simplify right side
    624,940.22x = 211,726,389,301.04
  5. Step 5: Solve for x
    x = 211,726,389,301.04/624,940.22
  6. Step 6: Final answer
    x = 338,794.63

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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.