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Finding the Fourth Proportional to 407,026.25, 561,703.25 and 225,746.09

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Solution

The fourth proportional to 407,026.25, 561,703.25 and 225,746.09 is: 311,533.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,026.25 : 561,703.25 = 225,746.09 : x
  2. Step 2: Convert to fraction form
    407,026.25/561,703.25 = 225,746.09/x
  3. Step 3: Cross multiply
    407,026.25x = 561,703.25 × 225,746.09
  4. Step 4: Simplify right side
    407,026.25x = 126,802,311,299.06
  5. Step 5: Solve for x
    x = 126,802,311,299.06/407,026.25
  6. Step 6: Final answer
    x = 311,533.50

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