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Finding the Fourth Proportional to 322,671.72, 445,297.73 and 177,483.63

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Solution

The fourth proportional to 322,671.72, 445,297.73 and 177,483.63 is: 244,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,671.72 : 445,297.73 = 177,483.63 : x
  2. Step 2: Convert to fraction form
    322,671.72/445,297.73 = 177,483.63/x
  3. Step 3: Cross multiply
    322,671.72x = 445,297.73 × 177,483.63
  4. Step 4: Simplify right side
    322,671.72x = 79,033,056,663.74
  5. Step 5: Solve for x
    x = 79,033,056,663.74/322,671.72
  6. Step 6: Final answer
    x = 244,933.32

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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.