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Finding the Fourth Proportional to 460,367.22, 635,338.71 and 279,086.79

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Solution

The fourth proportional to 460,367.22, 635,338.71 and 279,086.79 is: 385,159.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,367.22 : 635,338.71 = 279,086.79 : x
  2. Step 2: Convert to fraction form
    460,367.22/635,338.71 = 279,086.79/x
  3. Step 3: Cross multiply
    460,367.22x = 635,338.71 × 279,086.79
  4. Step 4: Simplify right side
    460,367.22x = 177,314,641,136.64
  5. Step 5: Solve for x
    x = 177,314,641,136.64/460,367.22
  6. Step 6: Final answer
    x = 385,159.14

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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.