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Finding the Fourth Proportional to 352,772.49, 486,829.67 and 191,630.73

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Solution

The fourth proportional to 352,772.49, 486,829.67 and 191,630.73 is: 264,452.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,772.49 : 486,829.67 = 191,630.73 : x
  2. Step 2: Convert to fraction form
    352,772.49/486,829.67 = 191,630.73/x
  3. Step 3: Cross multiply
    352,772.49x = 486,829.67 × 191,630.73
  4. Step 4: Simplify right side
    352,772.49x = 93,291,524,089.61
  5. Step 5: Solve for x
    x = 93,291,524,089.61/352,772.49
  6. Step 6: Final answer
    x = 264,452.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.