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Finding the Fourth Proportional to 694,956, 1,042,436.16 and 169,644

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Solution

The fourth proportional to 694,956, 1,042,436.16 and 169,644 is: 254,466.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,956 : 1,042,436.16 = 169,644 : x
  2. Step 2: Convert to fraction form
    694,956/1,042,436.16 = 169,644/x
  3. Step 3: Cross multiply
    694,956x = 1,042,436.16 × 169,644
  4. Step 4: Simplify right side
    694,956x = 176,843,039,927.04
  5. Step 5: Solve for x
    x = 176,843,039,927.04/694,956
  6. Step 6: Final answer
    x = 254,466.53

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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.