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Finding the Fourth Proportional to 362,703.66, 500,515.27 and 201,560.05

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Solution

The fourth proportional to 362,703.66, 500,515.27 and 201,560.05 is: 278,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,703.66 : 500,515.27 = 201,560.05 : x
  2. Step 2: Convert to fraction form
    362,703.66/500,515.27 = 201,560.05/x
  3. Step 3: Cross multiply
    362,703.66x = 500,515.27 × 201,560.05
  4. Step 4: Simplify right side
    362,703.66x = 100,883,882,846.96
  5. Step 5: Solve for x
    x = 100,883,882,846.96/362,703.66
  6. Step 6: Final answer
    x = 278,144.10

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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.