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Finding the Fourth Proportional to 296,571.60, 444,857.40 and 225,712.80

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Solution

The fourth proportional to 296,571.60, 444,857.40 and 225,712.80 is: 338,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,571.60 : 444,857.40 = 225,712.80 : x
  2. Step 2: Convert to fraction form
    296,571.60/444,857.40 = 225,712.80/x
  3. Step 3: Cross multiply
    296,571.60x = 444,857.40 × 225,712.80
  4. Step 4: Simplify right side
    296,571.60x = 100,410,009,354.72
  5. Step 5: Solve for x
    x = 100,410,009,354.72/296,571.60
  6. Step 6: Final answer
    x = 338,569.20

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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.