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Finding the Fourth Proportional to 322,994.87, 445,632.60 and 183,270.51

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Solution

The fourth proportional to 322,994.87, 445,632.60 and 183,270.51 is: 252,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,994.87 : 445,632.60 = 183,270.51 : x
  2. Step 2: Convert to fraction form
    322,994.87/445,632.60 = 183,270.51/x
  3. Step 3: Cross multiply
    322,994.87x = 445,632.60 × 183,270.51
  4. Step 4: Simplify right side
    322,994.87x = 81,671,316,405.28
  5. Step 5: Solve for x
    x = 81,671,316,405.28/322,994.87
  6. Step 6: Final answer
    x = 252,856.39

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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.