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Finding the Fourth Proportional to 322,363.84, 444,836 and 186,406.60

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Solution

The fourth proportional to 322,363.84, 444,836 and 186,406.60 is: 257,226.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,363.84 : 444,836 = 186,406.60 : x
  2. Step 2: Convert to fraction form
    322,363.84/444,836 = 186,406.60/x
  3. Step 3: Cross multiply
    322,363.84x = 444,836 × 186,406.60
  4. Step 4: Simplify right side
    322,363.84x = 82,920,366,317.60
  5. Step 5: Solve for x
    x = 82,920,366,317.60/322,363.84
  6. Step 6: Final answer
    x = 257,226.02

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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.