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Finding the Fourth Proportional to 308,892, 426,268.08 and 174,756

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Solution

The fourth proportional to 308,892, 426,268.08 and 174,756 is: 241,161.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,892 : 426,268.08 = 174,756 : x
  2. Step 2: Convert to fraction form
    308,892/426,268.08 = 174,756/x
  3. Step 3: Cross multiply
    308,892x = 426,268.08 × 174,756
  4. Step 4: Simplify right side
    308,892x = 74,492,904,588.48
  5. Step 5: Solve for x
    x = 74,492,904,588.48/308,892
  6. Step 6: Final answer
    x = 241,161.65

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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.