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Finding the Fourth Proportional to 624,640.88, 937,334.48 and 573,821.37

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Solution

The fourth proportional to 624,640.88, 937,334.48 and 573,821.37 is: 861,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,640.88 : 937,334.48 = 573,821.37 : x
  2. Step 2: Convert to fraction form
    624,640.88/937,334.48 = 573,821.37/x
  3. Step 3: Cross multiply
    624,640.88x = 937,334.48 × 573,821.37
  4. Step 4: Simplify right side
    624,640.88x = 537,862,552,592.73
  5. Step 5: Solve for x
    x = 537,862,552,592.73/624,640.88
  6. Step 6: Final answer
    x = 861,074.86

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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.