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Finding the Fourth Proportional to 483,994.32, 726,322.26 and 168,451.23

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Solution

The fourth proportional to 483,994.32, 726,322.26 and 168,451.23 is: 252,791.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,994.32 : 726,322.26 = 168,451.23 : x
  2. Step 2: Convert to fraction form
    483,994.32/726,322.26 = 168,451.23/x
  3. Step 3: Cross multiply
    483,994.32x = 726,322.26 × 168,451.23
  4. Step 4: Simplify right side
    483,994.32x = 122,349,878,073.38
  5. Step 5: Solve for x
    x = 122,349,878,073.38/483,994.32
  6. Step 6: Final answer
    x = 252,791.97

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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.