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Finding the Fourth Proportional to 362,571.90, 500,349.76 and 201,422.82

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Solution

The fourth proportional to 362,571.90, 500,349.76 and 201,422.82 is: 277,963.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,571.90 : 500,349.76 = 201,422.82 : x
  2. Step 2: Convert to fraction form
    362,571.90/500,349.76 = 201,422.82/x
  3. Step 3: Cross multiply
    362,571.90x = 500,349.76 × 201,422.82
  4. Step 4: Simplify right side
    362,571.90x = 100,781,859,645.52
  5. Step 5: Solve for x
    x = 100,781,859,645.52/362,571.90
  6. Step 6: Final answer
    x = 277,963.79

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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.