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Finding the Fourth Proportional to 267,674.36, 400,810.10 and 188,359.16

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Solution

The fourth proportional to 267,674.36, 400,810.10 and 188,359.16 is: 282,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,674.36 : 400,810.10 = 188,359.16 : x
  2. Step 2: Convert to fraction form
    267,674.36/400,810.10 = 188,359.16/x
  3. Step 3: Cross multiply
    267,674.36x = 400,810.10 × 188,359.16
  4. Step 4: Simplify right side
    267,674.36x = 75,496,253,755.52
  5. Step 5: Solve for x
    x = 75,496,253,755.52/267,674.36
  6. Step 6: Final answer
    x = 282,045.15

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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.