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Finding the Fourth Proportional to 226,807.38, 340,287.54 and 100,430.38

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Solution

The fourth proportional to 226,807.38, 340,287.54 and 100,430.38 is: 150,679.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,807.38 : 340,287.54 = 100,430.38 : x
  2. Step 2: Convert to fraction form
    226,807.38/340,287.54 = 100,430.38/x
  3. Step 3: Cross multiply
    226,807.38x = 340,287.54 × 100,430.38
  4. Step 4: Simplify right side
    226,807.38x = 34,175,206,951.47
  5. Step 5: Solve for x
    x = 34,175,206,951.47/226,807.38
  6. Step 6: Final answer
    x = 150,679.43

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1.5x scale

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.