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Finding the Fourth Proportional to 435,651.88, 653,224.08 and 169,101

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Solution

The fourth proportional to 435,651.88, 653,224.08 and 169,101 is: 253,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,651.88 : 653,224.08 = 169,101 : x
  2. Step 2: Convert to fraction form
    435,651.88/653,224.08 = 169,101/x
  3. Step 3: Cross multiply
    435,651.88x = 653,224.08 × 169,101
  4. Step 4: Simplify right side
    435,651.88x = 110,460,845,152.08
  5. Step 5: Solve for x
    x = 110,460,845,152.08/435,651.88
  6. Step 6: Final answer
    x = 253,553.01

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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.