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Finding the Fourth Proportional to 356,694.30, 492,227.48 and 195,543.84

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Solution

The fourth proportional to 356,694.30, 492,227.48 and 195,543.84 is: 269,844.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,694.30 : 492,227.48 = 195,543.84 : x
  2. Step 2: Convert to fraction form
    356,694.30/492,227.48 = 195,543.84/x
  3. Step 3: Cross multiply
    356,694.30x = 492,227.48 × 195,543.84
  4. Step 4: Simplify right side
    356,694.30x = 96,252,051,592.72
  5. Step 5: Solve for x
    x = 96,252,051,592.72/356,694.30
  6. Step 6: Final answer
    x = 269,844.66

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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.