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Finding the Fourth Proportional to 362,928.72, 500,841.18 and 201,778.68

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Solution

The fourth proportional to 362,928.72, 500,841.18 and 201,778.68 is: 278,454.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,928.72 : 500,841.18 = 201,778.68 : x
  2. Step 2: Convert to fraction form
    362,928.72/500,841.18 = 201,778.68/x
  3. Step 3: Cross multiply
    362,928.72x = 500,841.18 × 201,778.68
  4. Step 4: Simplify right side
    362,928.72x = 101,059,072,190.04
  5. Step 5: Solve for x
    x = 101,059,072,190.04/362,928.72
  6. Step 6: Final answer
    x = 278,454.33

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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.