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Finding the Fourth Proportional to 460,789.73, 635,703.37 and 279,435.50

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Solution

The fourth proportional to 460,789.73, 635,703.37 and 279,435.50 is: 385,507.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,789.73 : 635,703.37 = 279,435.50 : x
  2. Step 2: Convert to fraction form
    460,789.73/635,703.37 = 279,435.50/x
  3. Step 3: Cross multiply
    460,789.73x = 635,703.37 × 279,435.50
  4. Step 4: Simplify right side
    460,789.73x = 177,638,085,170.53
  5. Step 5: Solve for x
    x = 177,638,085,170.53/460,789.73
  6. Step 6: Final answer
    x = 385,507.91

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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.