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Finding the Fourth Proportional to 322,757.44, 445,399.07 and 177,554.74

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Solution

The fourth proportional to 322,757.44, 445,399.07 and 177,554.74 is: 245,022.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,757.44 : 445,399.07 = 177,554.74 : x
  2. Step 2: Convert to fraction form
    322,757.44/445,399.07 = 177,554.74/x
  3. Step 3: Cross multiply
    322,757.44x = 445,399.07 × 177,554.74
  4. Step 4: Simplify right side
    322,757.44x = 79,082,714,068.82
  5. Step 5: Solve for x
    x = 79,082,714,068.82/322,757.44
  6. Step 6: Final answer
    x = 245,022.12

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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.