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Finding the Fourth Proportional to 322,156.38, 444,576.15 and 178,916.70

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Solution

The fourth proportional to 322,156.38, 444,576.15 and 178,916.70 is: 246,905.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,156.38 : 444,576.15 = 178,916.70 : x
  2. Step 2: Convert to fraction form
    322,156.38/444,576.15 = 178,916.70/x
  3. Step 3: Cross multiply
    322,156.38x = 444,576.15 × 178,916.70
  4. Step 4: Simplify right side
    322,156.38x = 79,542,097,656.71
  5. Step 5: Solve for x
    x = 79,542,097,656.71/322,156.38
  6. Step 6: Final answer
    x = 246,905.24

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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.