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Finding the Fourth Proportional to 322,852.74, 445,530.69 and 179,612.34

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Solution

The fourth proportional to 322,852.74, 445,530.69 and 179,612.34 is: 247,861.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,852.74 : 445,530.69 = 179,612.34 : x
  2. Step 2: Convert to fraction form
    322,852.74/445,530.69 = 179,612.34/x
  3. Step 3: Cross multiply
    322,852.74x = 445,530.69 × 179,612.34
  4. Step 4: Simplify right side
    322,852.74x = 80,022,809,772.71
  5. Step 5: Solve for x
    x = 80,022,809,772.71/322,852.74
  6. Step 6: Final answer
    x = 247,861.64

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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.