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Finding the Fourth Proportional to 322,665.70, 445,289.48 and 177,477.62

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Solution

The fourth proportional to 322,665.70, 445,289.48 and 177,477.62 is: 244,925.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,665.70 : 445,289.48 = 177,477.62 : x
  2. Step 2: Convert to fraction form
    322,665.70/445,289.48 = 177,477.62/x
  3. Step 3: Cross multiply
    322,665.70x = 445,289.48 × 177,477.62
  4. Step 4: Simplify right side
    322,665.70x = 79,028,916,342.98
  5. Step 5: Solve for x
    x = 79,028,916,342.98/322,665.70
  6. Step 6: Final answer
    x = 244,925.06

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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.