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Finding the Fourth Proportional to 3,949,156, 5,923,734 and 957,340

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Solution

The fourth proportional to 3,949,156, 5,923,734 and 957,340 is: 1,436,010

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949,156 : 5,923,734 = 957,340 : x
  2. Step 2: Convert to fraction form
    3,949,156/5,923,734 = 957,340/x
  3. Step 3: Cross multiply
    3,949,156x = 5,923,734 × 957,340
  4. Step 4: Simplify right side
    3,949,156x = 5,671,027,507,560
  5. Step 5: Solve for x
    x = 5,671,027,507,560/3,949,156
  6. Step 6: Final answer
    x = 1,436,010

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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.