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Finding the Fourth Proportional to 2,633,076, 3,949,626.96 and 638,532

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Solution

The fourth proportional to 2,633,076, 3,949,626.96 and 638,532 is: 957,801.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633,076 : 3,949,626.96 = 638,532 : x
  2. Step 2: Convert to fraction form
    2,633,076/3,949,626.96 = 638,532/x
  3. Step 3: Cross multiply
    2,633,076x = 3,949,626.96 × 638,532
  4. Step 4: Simplify right side
    2,633,076x = 2,521,963,202,022.72
  5. Step 5: Solve for x
    x = 2,521,963,202,022.72/2,633,076
  6. Step 6: Final answer
    x = 957,801.14

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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.