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Finding the Fourth Proportional to 322,577.36, 445,167.95 and 177,389.10

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Solution

The fourth proportional to 322,577.36, 445,167.95 and 177,389.10 is: 244,803.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,577.36 : 445,167.95 = 177,389.10 : x
  2. Step 2: Convert to fraction form
    322,577.36/445,167.95 = 177,389.10/x
  3. Step 3: Cross multiply
    322,577.36x = 445,167.95 × 177,389.10
  4. Step 4: Simplify right side
    322,577.36x = 78,967,940,858.18
  5. Step 5: Solve for x
    x = 78,967,940,858.18/322,577.36
  6. Step 6: Final answer
    x = 244,803.11

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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.