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Finding the Fourth Proportional to 394,265.28, 544,091.28 and 224,500.08

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Solution

The fourth proportional to 394,265.28, 544,091.28 and 224,500.08 is: 309,813.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,265.28 : 544,091.28 = 224,500.08 : x
  2. Step 2: Convert to fraction form
    394,265.28/544,091.28 = 224,500.08/x
  3. Step 3: Cross multiply
    394,265.28x = 544,091.28 × 224,500.08
  4. Step 4: Simplify right side
    394,265.28x = 122,148,535,887.30
  5. Step 5: Solve for x
    x = 122,148,535,887.30/394,265.28
  6. Step 6: Final answer
    x = 309,813.07

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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.