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Finding the Fourth Proportional to 460,367.71, 635,339.34 and 279,087.28

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Solution

The fourth proportional to 460,367.71, 635,339.34 and 279,087.28 is: 385,159.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,367.71 : 635,339.34 = 279,087.28 : x
  2. Step 2: Convert to fraction form
    460,367.71/635,339.34 = 279,087.28/x
  3. Step 3: Cross multiply
    460,367.71x = 635,339.34 × 279,087.28
  4. Step 4: Simplify right side
    460,367.71x = 177,315,129,071.77
  5. Step 5: Solve for x
    x = 177,315,129,071.77/460,367.71
  6. Step 6: Final answer
    x = 385,159.79

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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.