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Finding the Fourth Proportional to 284,568.20, 425,930.70 and 201,624.20

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Solution

The fourth proportional to 284,568.20, 425,930.70 and 201,624.20 is: 301,783.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,568.20 : 425,930.70 = 201,624.20 : x
  2. Step 2: Convert to fraction form
    284,568.20/425,930.70 = 201,624.20/x
  3. Step 3: Cross multiply
    284,568.20x = 425,930.70 × 201,624.20
  4. Step 4: Simplify right side
    284,568.20x = 85,877,936,642.94
  5. Step 5: Solve for x
    x = 85,877,936,642.94/284,568.20
  6. Step 6: Final answer
    x = 301,783.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.