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Finding the Fourth Proportional to 348,211.60, 522,414.60 and 170,724.40

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Solution

The fourth proportional to 348,211.60, 522,414.60 and 170,724.40 is: 256,134.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,211.60 : 522,414.60 = 170,724.40 : x
  2. Step 2: Convert to fraction form
    348,211.60/522,414.60 = 170,724.40/x
  3. Step 3: Cross multiply
    348,211.60x = 522,414.60 × 170,724.40
  4. Step 4: Simplify right side
    348,211.60x = 89,188,919,136.24
  5. Step 5: Solve for x
    x = 89,188,919,136.24/348,211.60
  6. Step 6: Final answer
    x = 256,134.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.