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Finding the Fourth Proportional to 382,292.40, 573,292.80 and 115,964.40

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Solution

The fourth proportional to 382,292.40, 573,292.80 and 115,964.40 is: 173,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,292.40 : 573,292.80 = 115,964.40 : x
  2. Step 2: Convert to fraction form
    382,292.40/573,292.80 = 115,964.40/x
  3. Step 3: Cross multiply
    382,292.40x = 573,292.80 × 115,964.40
  4. Step 4: Simplify right side
    382,292.40x = 66,481,555,576.32
  5. Step 5: Solve for x
    x = 66,481,555,576.32/382,292.40
  6. Step 6: Final answer
    x = 173,902.37

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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.