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Finding the Fourth Proportional to 336,286.57, 464,052.21 and 189,133.47

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Solution

The fourth proportional to 336,286.57, 464,052.21 and 189,133.47 is: 260,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,286.57 : 464,052.21 = 189,133.47 : x
  2. Step 2: Convert to fraction form
    336,286.57/464,052.21 = 189,133.47/x
  3. Step 3: Cross multiply
    336,286.57x = 464,052.21 × 189,133.47
  4. Step 4: Simplify right side
    336,286.57x = 87,767,802,998.27
  5. Step 5: Solve for x
    x = 87,767,802,998.27/336,286.57
  6. Step 6: Final answer
    x = 260,991.10

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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.