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Finding the Fourth Proportional to 322,750.48, 445,364.46 and 186,757.30

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Solution

The fourth proportional to 322,750.48, 445,364.46 and 186,757.30 is: 257,707.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,750.48 : 445,364.46 = 186,757.30 : x
  2. Step 2: Convert to fraction form
    322,750.48/445,364.46 = 186,757.30/x
  3. Step 3: Cross multiply
    322,750.48x = 445,364.46 × 186,757.30
  4. Step 4: Simplify right side
    322,750.48x = 83,175,064,065.56
  5. Step 5: Solve for x
    x = 83,175,064,065.56/322,750.48
  6. Step 6: Final answer
    x = 257,707.02

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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.