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Finding the Fourth Proportional to 322,341.69, 444,804.77 and 177,139.85

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Solution

The fourth proportional to 322,341.69, 444,804.77 and 177,139.85 is: 244,438.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,341.69 : 444,804.77 = 177,139.85 : x
  2. Step 2: Convert to fraction form
    322,341.69/444,804.77 = 177,139.85/x
  3. Step 3: Cross multiply
    322,341.69x = 444,804.77 × 177,139.85
  4. Step 4: Simplify right side
    322,341.69x = 78,792,648,455.91
  5. Step 5: Solve for x
    x = 78,792,648,455.91/322,341.69
  6. Step 6: Final answer
    x = 244,438.28

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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.