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Finding the Fourth Proportional to 322,635.18, 445,246.83 and 179,401.26

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Solution

The fourth proportional to 322,635.18, 445,246.83 and 179,401.26 is: 247,579.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,635.18 : 445,246.83 = 179,401.26 : x
  2. Step 2: Convert to fraction form
    322,635.18/445,246.83 = 179,401.26/x
  3. Step 3: Cross multiply
    322,635.18x = 445,246.83 × 179,401.26
  4. Step 4: Simplify right side
    322,635.18x = 79,877,842,313.01
  5. Step 5: Solve for x
    x = 79,877,842,313.01/322,635.18
  6. Step 6: Final answer
    x = 247,579.46

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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.