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Finding the Fourth Proportional to 322,953.36, 445,669.72 and 179,712.15

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Solution

The fourth proportional to 322,953.36, 445,669.72 and 179,712.15 is: 247,999.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,953.36 : 445,669.72 = 179,712.15 : x
  2. Step 2: Convert to fraction form
    322,953.36/445,669.72 = 179,712.15/x
  3. Step 3: Cross multiply
    322,953.36x = 445,669.72 × 179,712.15
  4. Step 4: Simplify right side
    322,953.36x = 80,092,263,571.10
  5. Step 5: Solve for x
    x = 80,092,263,571.10/322,953.36
  6. Step 6: Final answer
    x = 247,999.47

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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.