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Finding the Fourth Proportional to 362,712.92, 500,555.98 and 201,574.76

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Solution

The fourth proportional to 362,712.92, 500,555.98 and 201,574.76 is: 278,179.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,712.92 : 500,555.98 = 201,574.76 : x
  2. Step 2: Convert to fraction form
    362,712.92/500,555.98 = 201,574.76/x
  3. Step 3: Cross multiply
    362,712.92x = 500,555.98 × 201,574.76
  4. Step 4: Simplify right side
    362,712.92x = 100,899,451,535.07
  5. Step 5: Solve for x
    x = 100,899,451,535.07/362,712.92
  6. Step 6: Final answer
    x = 278,179.92

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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.