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Finding the Fourth Proportional to 273,878.40, 410,817.60 and 168,355.20

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Solution

The fourth proportional to 273,878.40, 410,817.60 and 168,355.20 is: 252,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,878.40 : 410,817.60 = 168,355.20 : x
  2. Step 2: Convert to fraction form
    273,878.40/410,817.60 = 168,355.20/x
  3. Step 3: Cross multiply
    273,878.40x = 410,817.60 × 168,355.20
  4. Step 4: Simplify right side
    273,878.40x = 69,163,279,211.52
  5. Step 5: Solve for x
    x = 69,163,279,211.52/273,878.40
  6. Step 6: Final answer
    x = 252,532.80

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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.