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Finding the Fourth Proportional to 228,163, 340,573.31 and 201,229.12

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Solution

The fourth proportional to 228,163, 340,573.31 and 201,229.12 is: 300,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,163 : 340,573.31 = 201,229.12 : x
  2. Step 2: Convert to fraction form
    228,163/340,573.31 = 201,229.12/x
  3. Step 3: Cross multiply
    228,163x = 340,573.31 × 201,229.12
  4. Step 4: Simplify right side
    228,163x = 68,533,267,466.79
  5. Step 5: Solve for x
    x = 68,533,267,466.79/228,163
  6. Step 6: Final answer
    x = 300,369.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.