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Finding the Fourth Proportional to 2,328,774, 3,493,161 and 645,877.52

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Solution

The fourth proportional to 2,328,774, 3,493,161 and 645,877.52 is: 968,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328,774 : 3,493,161 = 645,877.52 : x
  2. Step 2: Convert to fraction form
    2,328,774/3,493,161 = 645,877.52/x
  3. Step 3: Cross multiply
    2,328,774x = 3,493,161 × 645,877.52
  4. Step 4: Simplify right side
    2,328,774x = 2,256,154,163,640.72
  5. Step 5: Solve for x
    x = 2,256,154,163,640.72/2,328,774
  6. Step 6: Final answer
    x = 968,816.28

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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.