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Finding the Fourth Proportional to 624,868, 937,107.60 and 225,456.46

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Solution

The fourth proportional to 624,868, 937,107.60 and 225,456.46 is: 338,114.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,868 : 937,107.60 = 225,456.46 : x
  2. Step 2: Convert to fraction form
    624,868/937,107.60 = 225,456.46/x
  3. Step 3: Cross multiply
    624,868x = 937,107.60 × 225,456.46
  4. Step 4: Simplify right side
    624,868x = 211,276,962,135.10
  5. Step 5: Solve for x
    x = 211,276,962,135.10/624,868
  6. Step 6: Final answer
    x = 338,114.55

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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.