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Finding the Fourth Proportional to 624,978.60, 937,469.04 and 225,901.12

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Solution

The fourth proportional to 624,978.60, 937,469.04 and 225,901.12 is: 338,852.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,978.60 : 937,469.04 = 225,901.12 : x
  2. Step 2: Convert to fraction form
    624,978.60/937,469.04 = 225,901.12/x
  3. Step 3: Cross multiply
    624,978.60x = 937,469.04 × 225,901.12
  4. Step 4: Simplify right side
    624,978.60x = 211,775,306,101.33
  5. Step 5: Solve for x
    x = 211,775,306,101.33/624,978.60
  6. Step 6: Final answer
    x = 338,852.09

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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.