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Finding the Fourth Proportional to 694,446.31, 958,123.28 and 452,640.66

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Solution

The fourth proportional to 694,446.31, 958,123.28 and 452,640.66 is: 624,505.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,446.31 : 958,123.28 = 452,640.66 : x
  2. Step 2: Convert to fraction form
    694,446.31/958,123.28 = 452,640.66/x
  3. Step 3: Cross multiply
    694,446.31x = 958,123.28 × 452,640.66
  4. Step 4: Simplify right side
    694,446.31x = 433,685,551,359.20
  5. Step 5: Solve for x
    x = 433,685,551,359.20/694,446.31
  6. Step 6: Final answer
    x = 624,505.52

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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.