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Finding the Fourth Proportional to 322,810.28, 445,502.88 and 179,580.92

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Solution

The fourth proportional to 322,810.28, 445,502.88 and 179,580.92 is: 247,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,810.28 : 445,502.88 = 179,580.92 : x
  2. Step 2: Convert to fraction form
    322,810.28/445,502.88 = 179,580.92/x
  3. Step 3: Cross multiply
    322,810.28x = 445,502.88 × 179,580.92
  4. Step 4: Simplify right side
    322,810.28x = 80,003,817,053.05
  5. Step 5: Solve for x
    x = 80,003,817,053.05/322,810.28
  6. Step 6: Final answer
    x = 247,835.41

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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.