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Finding the Fourth Proportional to 294,358.40, 441,537.60 and 263,945.60

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Solution

The fourth proportional to 294,358.40, 441,537.60 and 263,945.60 is: 395,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,358.40 : 441,537.60 = 263,945.60 : x
  2. Step 2: Convert to fraction form
    294,358.40/441,537.60 = 263,945.60/x
  3. Step 3: Cross multiply
    294,358.40x = 441,537.60 × 263,945.60
  4. Step 4: Simplify right side
    294,358.40x = 116,541,906,754.56
  5. Step 5: Solve for x
    x = 116,541,906,754.56/294,358.40
  6. Step 6: Final answer
    x = 395,918.40

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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.