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Finding the Fourth Proportional to 2,632,873, 3,949,322.46 and 638,329

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Solution

The fourth proportional to 2,632,873, 3,949,322.46 and 638,329 is: 957,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632,873 : 3,949,322.46 = 638,329 : x
  2. Step 2: Convert to fraction form
    2,632,873/3,949,322.46 = 638,329/x
  3. Step 3: Cross multiply
    2,632,873x = 3,949,322.46 × 638,329
  4. Step 4: Simplify right side
    2,632,873x = 2,520,967,056,569.34
  5. Step 5: Solve for x
    x = 2,520,967,056,569.34/2,632,873
  6. Step 6: Final answer
    x = 957,496.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.