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Finding the Fourth Proportional to 362,654.15, 500,453.63 and 201,509.61

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Solution

The fourth proportional to 362,654.15, 500,453.63 and 201,509.61 is: 278,078.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,654.15 : 500,453.63 = 201,509.61 : x
  2. Step 2: Convert to fraction form
    362,654.15/500,453.63 = 201,509.61/x
  3. Step 3: Cross multiply
    362,654.15x = 500,453.63 × 201,509.61
  4. Step 4: Simplify right side
    362,654.15x = 100,846,214,796.84
  5. Step 5: Solve for x
    x = 100,846,214,796.84/362,654.15
  6. Step 6: Final answer
    x = 278,078.21

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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.