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Finding the Fourth Proportional to 435,474.88, 653,044.38 and 169,200.34

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Solution

The fourth proportional to 435,474.88, 653,044.38 and 169,200.34 is: 253,735.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,474.88 : 653,044.38 = 169,200.34 : x
  2. Step 2: Convert to fraction form
    435,474.88/653,044.38 = 169,200.34/x
  3. Step 3: Cross multiply
    435,474.88x = 653,044.38 × 169,200.34
  4. Step 4: Simplify right side
    435,474.88x = 110,495,331,131.09
  5. Step 5: Solve for x
    x = 110,495,331,131.09/435,474.88
  6. Step 6: Final answer
    x = 253,735.26

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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.