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Finding the Fourth Proportional to 535,134.68, 802,820.34 and 180,137

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Solution

The fourth proportional to 535,134.68, 802,820.34 and 180,137 is: 270,245.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,134.68 : 802,820.34 = 180,137 : x
  2. Step 2: Convert to fraction form
    535,134.68/802,820.34 = 180,137/x
  3. Step 3: Cross multiply
    535,134.68x = 802,820.34 × 180,137
  4. Step 4: Simplify right side
    535,134.68x = 144,617,647,586.58
  5. Step 5: Solve for x
    x = 144,617,647,586.58/535,134.68
  6. Step 6: Final answer
    x = 270,245.33

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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.