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Finding the Fourth Proportional to 461,007.72, 636,198.49 and 254,299.83

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Solution

The fourth proportional to 461,007.72, 636,198.49 and 254,299.83 is: 350,938.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,007.72 : 636,198.49 = 254,299.83 : x
  2. Step 2: Convert to fraction form
    461,007.72/636,198.49 = 254,299.83/x
  3. Step 3: Cross multiply
    461,007.72x = 636,198.49 × 254,299.83
  4. Step 4: Simplify right side
    461,007.72x = 161,785,168,172.25
  5. Step 5: Solve for x
    x = 161,785,168,172.25/461,007.72
  6. Step 6: Final answer
    x = 350,938.09

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1.5x scale

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.