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Finding the Fourth Proportional to 322,509.41, 445,068.30 and 177,321.32

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Solution

The fourth proportional to 322,509.41, 445,068.30 and 177,321.32 is: 244,706.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,509.41 : 445,068.30 = 177,321.32 : x
  2. Step 2: Convert to fraction form
    322,509.41/445,068.30 = 177,321.32/x
  3. Step 3: Cross multiply
    322,509.41x = 445,068.30 × 177,321.32
  4. Step 4: Simplify right side
    322,509.41x = 78,920,096,220.81
  5. Step 5: Solve for x
    x = 78,920,096,220.81/322,509.41
  6. Step 6: Final answer
    x = 244,706.34

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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.