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Finding the Fourth Proportional to 662,694.36, 914,229.41 and 417,530.27

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Solution

The fourth proportional to 662,694.36, 914,229.41 and 417,530.27 is: 576,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,694.36 : 914,229.41 = 417,530.27 : x
  2. Step 2: Convert to fraction form
    662,694.36/914,229.41 = 417,530.27/x
  3. Step 3: Cross multiply
    662,694.36x = 914,229.41 × 417,530.27
  4. Step 4: Simplify right side
    662,694.36x = 381,718,445,740.44
  5. Step 5: Solve for x
    x = 381,718,445,740.44/662,694.36
  6. Step 6: Final answer
    x = 576,009.80

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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.