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Finding the Fourth Proportional to 322,727.40, 445,329.66 and 179,464.32

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Solution

The fourth proportional to 322,727.40, 445,329.66 and 179,464.32 is: 247,641.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,727.40 : 445,329.66 = 179,464.32 : x
  2. Step 2: Convert to fraction form
    322,727.40/445,329.66 = 179,464.32/x
  3. Step 3: Cross multiply
    322,727.40x = 445,329.66 × 179,464.32
  4. Step 4: Simplify right side
    322,727.40x = 79,920,784,607.73
  5. Step 5: Solve for x
    x = 79,920,784,607.73/322,727.40
  6. Step 6: Final answer
    x = 247,641.77

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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.