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Finding the Fourth Proportional to 362,321.60, 500,004.78 and 201,176.96

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Solution

The fourth proportional to 362,321.60, 500,004.78 and 201,176.96 is: 277,624.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,321.60 : 500,004.78 = 201,176.96 : x
  2. Step 2: Convert to fraction form
    362,321.60/500,004.78 = 201,176.96/x
  3. Step 3: Cross multiply
    362,321.60x = 500,004.78 × 201,176.96
  4. Step 4: Simplify right side
    362,321.60x = 100,589,441,625.87
  5. Step 5: Solve for x
    x = 100,589,441,625.87/362,321.60
  6. Step 6: Final answer
    x = 277,624.74

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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.