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Finding the Fourth Proportional to 322,280.16, 444,722.28 and 179,028

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Solution

The fourth proportional to 322,280.16, 444,722.28 and 179,028 is: 247,045.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,280.16 : 444,722.28 = 179,028 : x
  2. Step 2: Convert to fraction form
    322,280.16/444,722.28 = 179,028/x
  3. Step 3: Cross multiply
    322,280.16x = 444,722.28 × 179,028
  4. Step 4: Simplify right side
    322,280.16x = 79,617,740,343.84
  5. Step 5: Solve for x
    x = 79,617,740,343.84/322,280.16
  6. Step 6: Final answer
    x = 247,045.12

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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.