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Finding the Fourth Proportional to 411,418.70, 617,007.09 and 174,759.50

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Solution

The fourth proportional to 411,418.70, 617,007.09 and 174,759.50 is: 262,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,418.70 : 617,007.09 = 174,759.50 : x
  2. Step 2: Convert to fraction form
    411,418.70/617,007.09 = 174,759.50/x
  3. Step 3: Cross multiply
    411,418.70x = 617,007.09 × 174,759.50
  4. Step 4: Simplify right side
    411,418.70x = 107,827,850,544.86
  5. Step 5: Solve for x
    x = 107,827,850,544.86/411,418.70
  6. Step 6: Final answer
    x = 262,087.87

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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.