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Finding the Fourth Proportional to 460,362.11, 635,331.63 and 279,081.68

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Solution

The fourth proportional to 460,362.11, 635,331.63 and 279,081.68 is: 385,152.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,362.11 : 635,331.63 = 279,081.68 : x
  2. Step 2: Convert to fraction form
    460,362.11/635,331.63 = 279,081.68/x
  3. Step 3: Cross multiply
    460,362.11x = 635,331.63 × 279,081.68
  4. Step 4: Simplify right side
    460,362.11x = 177,309,415,480.88
  5. Step 5: Solve for x
    x = 177,309,415,480.88/460,362.11
  6. Step 6: Final answer
    x = 385,152.07

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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.