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Finding the Fourth Proportional to 362,992.80, 500,909.46 and 201,844.39

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Solution

The fourth proportional to 362,992.80, 500,909.46 and 201,844.39 is: 278,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,992.80 : 500,909.46 = 201,844.39 : x
  2. Step 2: Convert to fraction form
    362,992.80/500,909.46 = 201,844.39/x
  3. Step 3: Cross multiply
    362,992.80x = 500,909.46 × 201,844.39
  4. Step 4: Simplify right side
    362,992.80x = 101,105,761,894.38
  5. Step 5: Solve for x
    x = 101,105,761,894.38/362,992.80
  6. Step 6: Final answer
    x = 278,533.79

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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.