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Finding the Fourth Proportional to 382,439.64, 573,725.07 and 116,227.08

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Solution

The fourth proportional to 382,439.64, 573,725.07 and 116,227.08 is: 174,360.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,439.64 : 573,725.07 = 116,227.08 : x
  2. Step 2: Convert to fraction form
    382,439.64/573,725.07 = 116,227.08/x
  3. Step 3: Cross multiply
    382,439.64x = 573,725.07 × 116,227.08
  4. Step 4: Simplify right side
    382,439.64x = 66,682,389,608.90
  5. Step 5: Solve for x
    x = 66,682,389,608.90/382,439.64
  6. Step 6: Final answer
    x = 174,360.56

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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.