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Finding the Fourth Proportional to 308,058.40, 461,857.20 and 167,975.20

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Solution

The fourth proportional to 308,058.40, 461,857.20 and 167,975.20 is: 251,837.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,058.40 : 461,857.20 = 167,975.20 : x
  2. Step 2: Convert to fraction form
    308,058.40/461,857.20 = 167,975.20/x
  3. Step 3: Cross multiply
    308,058.40x = 461,857.20 × 167,975.20
  4. Step 4: Simplify right side
    308,058.40x = 77,580,555,541.44
  5. Step 5: Solve for x
    x = 77,580,555,541.44/308,058.40
  6. Step 6: Final answer
    x = 251,837.17

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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.