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Finding the Fourth Proportional to 322,715.44, 445,358.28 and 177,527.62

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Solution

The fourth proportional to 322,715.44, 445,358.28 and 177,527.62 is: 244,994.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,715.44 : 445,358.28 = 177,527.62 : x
  2. Step 2: Convert to fraction form
    322,715.44/445,358.28 = 177,527.62/x
  3. Step 3: Cross multiply
    322,715.44x = 445,358.28 × 177,527.62
  4. Step 4: Simplify right side
    322,715.44x = 79,063,395,495.69
  5. Step 5: Solve for x
    x = 79,063,395,495.69/322,715.44
  6. Step 6: Final answer
    x = 244,994.15

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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.