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Finding the Fourth Proportional to 452,363.88, 677,512.22 and 215,872.60

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Solution

The fourth proportional to 452,363.88, 677,512.22 and 215,872.60 is: 323,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,363.88 : 677,512.22 = 215,872.60 : x
  2. Step 2: Convert to fraction form
    452,363.88/677,512.22 = 215,872.60/x
  3. Step 3: Cross multiply
    452,363.88x = 677,512.22 × 215,872.60
  4. Step 4: Simplify right side
    452,363.88x = 146,256,324,463.17
  5. Step 5: Solve for x
    x = 146,256,324,463.17/452,363.88
  6. Step 6: Final answer
    x = 323,315.66

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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.