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Finding the Fourth Proportional to 344,211.87, 475,008.93 and 189,165.72

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Solution

The fourth proportional to 344,211.87, 475,008.93 and 189,165.72 is: 261,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,211.87 : 475,008.93 = 189,165.72 : x
  2. Step 2: Convert to fraction form
    344,211.87/475,008.93 = 189,165.72/x
  3. Step 3: Cross multiply
    344,211.87x = 475,008.93 × 189,165.72
  4. Step 4: Simplify right side
    344,211.87x = 89,855,406,249.88
  5. Step 5: Solve for x
    x = 89,855,406,249.88/344,211.87
  6. Step 6: Final answer
    x = 261,046.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.