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Finding the Fourth Proportional to 322,341.58, 444,804.64 and 177,139.73

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Solution

The fourth proportional to 322,341.58, 444,804.64 and 177,139.73 is: 244,438.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,341.58 : 444,804.64 = 177,139.73 : x
  2. Step 2: Convert to fraction form
    322,341.58/444,804.64 = 177,139.73/x
  3. Step 3: Cross multiply
    322,341.58x = 444,804.64 × 177,139.73
  4. Step 4: Simplify right side
    322,341.58x = 78,792,570,722.63
  5. Step 5: Solve for x
    x = 78,792,570,722.63/322,341.58
  6. Step 6: Final answer
    x = 244,438.13

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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.