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Finding the Fourth Proportional to 344,580.62, 517,190.78 and 176,221.26

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Solution

The fourth proportional to 344,580.62, 517,190.78 and 176,221.26 is: 264,495.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,580.62 : 517,190.78 = 176,221.26 : x
  2. Step 2: Convert to fraction form
    344,580.62/517,190.78 = 176,221.26/x
  3. Step 3: Cross multiply
    344,580.62x = 517,190.78 × 176,221.26
  4. Step 4: Simplify right side
    344,580.62x = 91,140,010,911.98
  5. Step 5: Solve for x
    x = 91,140,010,911.98/344,580.62
  6. Step 6: Final answer
    x = 264,495.46

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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.