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Finding the Fourth Proportional to 362,761.88, 500,607.78 and 201,613.46

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Solution

The fourth proportional to 362,761.88, 500,607.78 and 201,613.46 is: 278,224.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,761.88 : 500,607.78 = 201,613.46 : x
  2. Step 2: Convert to fraction form
    362,761.88/500,607.78 = 201,613.46/x
  3. Step 3: Cross multiply
    362,761.88x = 500,607.78 × 201,613.46
  4. Step 4: Simplify right side
    362,761.88x = 100,929,263,369.63
  5. Step 5: Solve for x
    x = 100,929,263,369.63/362,761.88
  6. Step 6: Final answer
    x = 278,224.56

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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.