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Finding the Fourth Proportional to 362,709.42, 500,532.36 and 201,561.54

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Solution

The fourth proportional to 362,709.42, 500,532.36 and 201,561.54 is: 278,151.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,709.42 : 500,532.36 = 201,561.54 : x
  2. Step 2: Convert to fraction form
    362,709.42/500,532.36 = 201,561.54/x
  3. Step 3: Cross multiply
    362,709.42x = 500,532.36 × 201,561.54
  4. Step 4: Simplify right side
    362,709.42x = 100,888,073,301.43
  5. Step 5: Solve for x
    x = 100,888,073,301.43/362,709.42
  6. Step 6: Final answer
    x = 278,151.24

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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.