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Finding the Fourth Proportional to 340,333.44, 510,555.51 and 115,713.96

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Solution

The fourth proportional to 340,333.44, 510,555.51 and 115,713.96 is: 173,589.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,333.44 : 510,555.51 = 115,713.96 : x
  2. Step 2: Convert to fraction form
    340,333.44/510,555.51 = 115,713.96/x
  3. Step 3: Cross multiply
    340,333.44x = 510,555.51 × 115,713.96
  4. Step 4: Simplify right side
    340,333.44x = 59,078,399,861.92
  5. Step 5: Solve for x
    x = 59,078,399,861.92/340,333.44
  6. Step 6: Final answer
    x = 173,589.76

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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.