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Finding the Fourth Proportional to 323,007.71, 445,746.20 and 179,767.76

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Solution

The fourth proportional to 323,007.71, 445,746.20 and 179,767.76 is: 248,077.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,007.71 : 445,746.20 = 179,767.76 : x
  2. Step 2: Convert to fraction form
    323,007.71/445,746.20 = 179,767.76/x
  3. Step 3: Cross multiply
    323,007.71x = 445,746.20 × 179,767.76
  4. Step 4: Simplify right side
    323,007.71x = 80,130,792,774.94
  5. Step 5: Solve for x
    x = 80,130,792,774.94/323,007.71
  6. Step 6: Final answer
    x = 248,077.03

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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.