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Finding the Fourth Proportional to 331,892.10, 457,893 and 195,857.98

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Solution

The fourth proportional to 331,892.10, 457,893 and 195,857.98 is: 270,214.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,892.10 : 457,893 = 195,857.98 : x
  2. Step 2: Convert to fraction form
    331,892.10/457,893 = 195,857.98/x
  3. Step 3: Cross multiply
    331,892.10x = 457,893 × 195,857.98
  4. Step 4: Simplify right side
    331,892.10x = 89,681,996,891.41
  5. Step 5: Solve for x
    x = 89,681,996,891.41/331,892.10
  6. Step 6: Final answer
    x = 270,214.32

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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.