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Finding the Fourth Proportional to 435,818.26, 653,761.41 and 169,558.30

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Solution

The fourth proportional to 435,818.26, 653,761.41 and 169,558.30 is: 254,350.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,818.26 : 653,761.41 = 169,558.30 : x
  2. Step 2: Convert to fraction form
    435,818.26/653,761.41 = 169,558.30/x
  3. Step 3: Cross multiply
    435,818.26x = 653,761.41 × 169,558.30
  4. Step 4: Simplify right side
    435,818.26x = 110,850,673,285.20
  5. Step 5: Solve for x
    x = 110,850,673,285.20/435,818.26
  6. Step 6: Final answer
    x = 254,350.69

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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.