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Finding the Fourth Proportional to 289,963.92, 400,163.04 and 162,651.36

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Solution

The fourth proportional to 289,963.92, 400,163.04 and 162,651.36 is: 224,466.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,963.92 : 400,163.04 = 162,651.36 : x
  2. Step 2: Convert to fraction form
    289,963.92/400,163.04 = 162,651.36/x
  3. Step 3: Cross multiply
    289,963.92x = 400,163.04 × 162,651.36
  4. Step 4: Simplify right side
    289,963.92x = 65,087,062,677.73
  5. Step 5: Solve for x
    x = 65,087,062,677.73/289,963.92
  6. Step 6: Final answer
    x = 224,466.07

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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.