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Finding the Fourth Proportional to 362,562.15, 500,415.80 and 201,472.59

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Solution

The fourth proportional to 362,562.15, 500,415.80 and 201,472.59 is: 278,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,562.15 : 500,415.80 = 201,472.59 : x
  2. Step 2: Convert to fraction form
    362,562.15/500,415.80 = 201,472.59/x
  3. Step 3: Cross multiply
    362,562.15x = 500,415.80 × 201,472.59
  4. Step 4: Simplify right side
    362,562.15x = 100,820,066,295.56
  5. Step 5: Solve for x
    x = 100,820,066,295.56/362,562.15
  6. Step 6: Final answer
    x = 278,076.65

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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.