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Finding the Fourth Proportional to 419,896.00, 579,439.24 and 236,129.32

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Solution

The fourth proportional to 419,896.00, 579,439.24 and 236,129.32 is: 325,848.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,896.00 : 579,439.24 = 236,129.32 : x
  2. Step 2: Convert to fraction form
    419,896.00/579,439.24 = 236,129.32/x
  3. Step 3: Cross multiply
    419,896.00x = 579,439.24 × 236,129.32
  4. Step 4: Simplify right side
    419,896.00x = 136,822,591,683.60
  5. Step 5: Solve for x
    x = 136,822,591,683.60/419,896.00
  6. Step 6: Final answer
    x = 325,848.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.