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Finding the Fourth Proportional to 322,393.10, 444,917.61 and 179,154.32

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Solution

The fourth proportional to 322,393.10, 444,917.61 and 179,154.32 is: 247,241.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,393.10 : 444,917.61 = 179,154.32 : x
  2. Step 2: Convert to fraction form
    322,393.10/444,917.61 = 179,154.32/x
  3. Step 3: Cross multiply
    322,393.10x = 444,917.61 × 179,154.32
  4. Step 4: Simplify right side
    322,393.10x = 79,708,909,650.99
  5. Step 5: Solve for x
    x = 79,708,909,650.99/322,393.10
  6. Step 6: Final answer
    x = 247,241.37

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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.