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Finding the Fourth Proportional to 362,665.73, 500,468.76 and 201,516.64

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Solution

The fourth proportional to 362,665.73, 500,468.76 and 201,516.64 is: 278,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,665.73 : 500,468.76 = 201,516.64 : x
  2. Step 2: Convert to fraction form
    362,665.73/500,468.76 = 201,516.64/x
  3. Step 3: Cross multiply
    362,665.73x = 500,468.76 × 201,516.64
  4. Step 4: Simplify right side
    362,665.73x = 100,852,782,940.17
  5. Step 5: Solve for x
    x = 100,852,782,940.17/362,665.73
  6. Step 6: Final answer
    x = 278,087.44

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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.