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Finding the Fourth Proportional to 460,376.79, 635,351.86 and 279,096.36

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Solution

The fourth proportional to 460,376.79, 635,351.86 and 279,096.36 is: 385,172.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,376.79 : 635,351.86 = 279,096.36 : x
  2. Step 2: Convert to fraction form
    460,376.79/635,351.86 = 279,096.36/x
  3. Step 3: Cross multiply
    460,376.79x = 635,351.86 × 279,096.36
  4. Step 4: Simplify right side
    460,376.79x = 177,324,391,445.23
  5. Step 5: Solve for x
    x = 177,324,391,445.23/460,376.79
  6. Step 6: Final answer
    x = 385,172.31

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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.