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Finding the Fourth Proportional to 362,988.78, 500,936.16 and 201,850.62

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Solution

The fourth proportional to 362,988.78, 500,936.16 and 201,850.62 is: 278,560.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,988.78 : 500,936.16 = 201,850.62 : x
  2. Step 2: Convert to fraction form
    362,988.78/500,936.16 = 201,850.62/x
  3. Step 3: Cross multiply
    362,988.78x = 500,936.16 × 201,850.62
  4. Step 4: Simplify right side
    362,988.78x = 101,114,274,476.42
  5. Step 5: Solve for x
    x = 101,114,274,476.42/362,988.78
  6. Step 6: Final answer
    x = 278,560.33

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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.