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Finding the Fourth Proportional to 551,755.83, 827,617.23 and 152,420.52

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Solution

The fourth proportional to 551,755.83, 827,617.23 and 152,420.52 is: 228,626.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,755.83 : 827,617.23 = 152,420.52 : x
  2. Step 2: Convert to fraction form
    551,755.83/827,617.23 = 152,420.52/x
  3. Step 3: Cross multiply
    551,755.83x = 827,617.23 × 152,420.52
  4. Step 4: Simplify right side
    551,755.83x = 126,145,848,557.56
  5. Step 5: Solve for x
    x = 126,145,848,557.56/551,755.83
  6. Step 6: Final answer
    x = 228,626.22

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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.