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Finding the Fourth Proportional to 488,834.57, 733,252.46 and 133,851.66

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Solution

The fourth proportional to 488,834.57, 733,252.46 and 133,851.66 is: 200,777.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,834.57 : 733,252.46 = 133,851.66 : x
  2. Step 2: Convert to fraction form
    488,834.57/733,252.46 = 133,851.66/x
  3. Step 3: Cross multiply
    488,834.57x = 733,252.46 × 133,851.66
  4. Step 4: Simplify right side
    488,834.57x = 98,147,058,300.83
  5. Step 5: Solve for x
    x = 98,147,058,300.83/488,834.57
  6. Step 6: Final answer
    x = 200,777.66

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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.