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Finding the Fourth Proportional to 382,227.51, 573,344.73 and 115,988.03

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Solution

The fourth proportional to 382,227.51, 573,344.73 and 115,988.03 is: 173,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,227.51 : 573,344.73 = 115,988.03 : x
  2. Step 2: Convert to fraction form
    382,227.51/573,344.73 = 115,988.03/x
  3. Step 3: Cross multiply
    382,227.51x = 573,344.73 × 115,988.03
  4. Step 4: Simplify right side
    382,227.51x = 66,501,127,176.94
  5. Step 5: Solve for x
    x = 66,501,127,176.94/382,227.51
  6. Step 6: Final answer
    x = 173,983.10

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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.