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Finding the Fourth Proportional to 452,832, 679,351.68 and 157,344

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Solution

The fourth proportional to 452,832, 679,351.68 and 157,344 is: 236,052.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,832 : 679,351.68 = 157,344 : x
  2. Step 2: Convert to fraction form
    452,832/679,351.68 = 157,344/x
  3. Step 3: Cross multiply
    452,832x = 679,351.68 × 157,344
  4. Step 4: Simplify right side
    452,832x = 106,891,910,737.92
  5. Step 5: Solve for x
    x = 106,891,910,737.92/452,832
  6. Step 6: Final answer
    x = 236,052.03

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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.