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Finding the Fourth Proportional to 322,389.53, 444,902.18 and 177,208.76

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Solution

The fourth proportional to 322,389.53, 444,902.18 and 177,208.76 is: 244,550.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,389.53 : 444,902.18 = 177,208.76 : x
  2. Step 2: Convert to fraction form
    322,389.53/444,902.18 = 177,208.76/x
  3. Step 3: Cross multiply
    322,389.53x = 444,902.18 × 177,208.76
  4. Step 4: Simplify right side
    322,389.53x = 78,840,563,639.10
  5. Step 5: Solve for x
    x = 78,840,563,639.10/322,389.53
  6. Step 6: Final answer
    x = 244,550.63

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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.