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Finding the Fourth Proportional to 662,736.96, 914,578.56 and 360,924.48

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Solution

The fourth proportional to 662,736.96, 914,578.56 and 360,924.48 is: 498,076.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,736.96 : 914,578.56 = 360,924.48 : x
  2. Step 2: Convert to fraction form
    662,736.96/914,578.56 = 360,924.48/x
  3. Step 3: Cross multiply
    662,736.96x = 914,578.56 × 360,924.48
  4. Step 4: Simplify right side
    662,736.96x = 330,093,791,187.15
  5. Step 5: Solve for x
    x = 330,093,791,187.15/662,736.96
  6. Step 6: Final answer
    x = 498,076.63

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1.5x scale

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.