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Finding the Fourth Proportional to 322,999.81, 445,735.38 and 179,759.81

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Solution

The fourth proportional to 322,999.81, 445,735.38 and 179,759.81 is: 248,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,999.81 : 445,735.38 = 179,759.81 : x
  2. Step 2: Convert to fraction form
    322,999.81/445,735.38 = 179,759.81/x
  3. Step 3: Cross multiply
    322,999.81x = 445,735.38 × 179,759.81
  4. Step 4: Simplify right side
    322,999.81x = 80,125,307,219.08
  5. Step 5: Solve for x
    x = 80,125,307,219.08/322,999.81
  6. Step 6: Final answer
    x = 248,066.11

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1.5x scale

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.