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Finding the Fourth Proportional to 2,947,168, 4,420,752 and 952,624

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Solution

The fourth proportional to 2,947,168, 4,420,752 and 952,624 is: 1,428,936

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,168 : 4,420,752 = 952,624 : x
  2. Step 2: Convert to fraction form
    2,947,168/4,420,752 = 952,624/x
  3. Step 3: Cross multiply
    2,947,168x = 4,420,752 × 952,624
  4. Step 4: Simplify right side
    2,947,168x = 4,211,314,453,248
  5. Step 5: Solve for x
    x = 4,211,314,453,248/2,947,168
  6. Step 6: Final answer
    x = 1,428,936

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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.