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Finding the Fourth Proportional to 547,944.14, 756,489.92 and 344,169.47

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Solution

The fourth proportional to 547,944.14, 756,489.92 and 344,169.47 is: 475,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,944.14 : 756,489.92 = 344,169.47 : x
  2. Step 2: Convert to fraction form
    547,944.14/756,489.92 = 344,169.47/x
  3. Step 3: Cross multiply
    547,944.14x = 756,489.92 × 344,169.47
  4. Step 4: Simplify right side
    547,944.14x = 260,360,734,997.12
  5. Step 5: Solve for x
    x = 260,360,734,997.12/547,944.14
  6. Step 6: Final answer
    x = 475,159.26

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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.