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Finding the Fourth Proportional to 2,947,176, 4,420,764 and 952,632

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Solution

The fourth proportional to 2,947,176, 4,420,764 and 952,632 is: 1,428,948

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,176 : 4,420,764 = 952,632 : x
  2. Step 2: Convert to fraction form
    2,947,176/4,420,764 = 952,632/x
  3. Step 3: Cross multiply
    2,947,176x = 4,420,764 × 952,632
  4. Step 4: Simplify right side
    2,947,176x = 4,211,361,250,848
  5. Step 5: Solve for x
    x = 4,211,361,250,848/2,947,176
  6. Step 6: Final answer
    x = 1,428,948

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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.