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Finding the Fourth Proportional to 439,771.82, 606,911.94 and 246,175.74

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Solution

The fourth proportional to 439,771.82, 606,911.94 and 246,175.74 is: 339,737.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,771.82 : 606,911.94 = 246,175.74 : x
  2. Step 2: Convert to fraction form
    439,771.82/606,911.94 = 246,175.74/x
  3. Step 3: Cross multiply
    439,771.82x = 606,911.94 × 246,175.74
  4. Step 4: Simplify right side
    439,771.82x = 149,406,995,944.34
  5. Step 5: Solve for x
    x = 149,406,995,944.34/439,771.82
  6. Step 6: Final answer
    x = 339,737.54

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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.