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Finding the Fourth Proportional to 294,160.38, 441,284.31 and 136,404.78

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Solution

The fourth proportional to 294,160.38, 441,284.31 and 136,404.78 is: 204,627.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,160.38 : 441,284.31 = 136,404.78 : x
  2. Step 2: Convert to fraction form
    294,160.38/441,284.31 = 136,404.78/x
  3. Step 3: Cross multiply
    294,160.38x = 441,284.31 × 136,404.78
  4. Step 4: Simplify right side
    294,160.38x = 60,193,289,223.00
  5. Step 5: Solve for x
    x = 60,193,289,223.00/294,160.38
  6. Step 6: Final answer
    x = 204,627.45

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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.