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Finding the Fourth Proportional to 488,834.69, 733,252.65 and 133,851.79

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Solution

The fourth proportional to 488,834.69, 733,252.65 and 133,851.79 is: 200,777.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,834.69 : 733,252.65 = 133,851.79 : x
  2. Step 2: Convert to fraction form
    488,834.69/733,252.65 = 133,851.79/x
  3. Step 3: Cross multiply
    488,834.69x = 733,252.65 × 133,851.79
  4. Step 4: Simplify right side
    488,834.69x = 98,147,175,389.22
  5. Step 5: Solve for x
    x = 98,147,175,389.22/488,834.69
  6. Step 6: Final answer
    x = 200,777.84

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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.