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Finding the Fourth Proportional to 624,799.40, 937,005.32 and 225,388.31

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Solution

The fourth proportional to 624,799.40, 937,005.32 and 225,388.31 is: 338,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,799.40 : 937,005.32 = 225,388.31 : x
  2. Step 2: Convert to fraction form
    624,799.40/937,005.32 = 225,388.31/x
  3. Step 3: Cross multiply
    624,799.40x = 937,005.32 × 225,388.31
  4. Step 4: Simplify right side
    624,799.40x = 211,190,041,414.25
  5. Step 5: Solve for x
    x = 211,190,041,414.25/624,799.40
  6. Step 6: Final answer
    x = 338,012.56

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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.