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Finding the Fourth Proportional to 322,574.66, 445,164.36 and 177,391.40

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Solution

The fourth proportional to 322,574.66, 445,164.36 and 177,391.40 is: 244,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,574.66 : 445,164.36 = 177,391.40 : x
  2. Step 2: Convert to fraction form
    322,574.66/445,164.36 = 177,391.40/x
  3. Step 3: Cross multiply
    322,574.66x = 445,164.36 × 177,391.40
  4. Step 4: Simplify right side
    322,574.66x = 78,968,329,050.50
  5. Step 5: Solve for x
    x = 78,968,329,050.50/322,574.66
  6. Step 6: Final answer
    x = 244,806.36

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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.