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Finding the Fourth Proportional to 624,800.40, 937,006.82 and 225,389.31

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Solution

The fourth proportional to 624,800.40, 937,006.82 and 225,389.31 is: 338,014.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,800.40 : 937,006.82 = 225,389.31 : x
  2. Step 2: Convert to fraction form
    624,800.40/937,006.82 = 225,389.31/x
  3. Step 3: Cross multiply
    624,800.40x = 937,006.82 × 225,389.31
  4. Step 4: Simplify right side
    624,800.40x = 211,191,320,625.09
  5. Step 5: Solve for x
    x = 211,191,320,625.09/624,800.40
  6. Step 6: Final answer
    x = 338,014.06

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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.