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Finding the Fourth Proportional to 274,313.12, 411,188.08 and 133,899.04

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Solution

The fourth proportional to 274,313.12, 411,188.08 and 133,899.04 is: 200,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,313.12 : 411,188.08 = 133,899.04 : x
  2. Step 2: Convert to fraction form
    274,313.12/411,188.08 = 133,899.04/x
  3. Step 3: Cross multiply
    274,313.12x = 411,188.08 × 133,899.04
  4. Step 4: Simplify right side
    274,313.12x = 55,057,689,171.44
  5. Step 5: Solve for x
    x = 55,057,689,171.44/274,313.12
  6. Step 6: Final answer
    x = 200,711.10

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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.