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Finding the Fourth Proportional to 453,468.85, 680,180.90 and 169,137.32

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Solution

The fourth proportional to 453,468.85, 680,180.90 and 169,137.32 is: 253,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,468.85 : 680,180.90 = 169,137.32 : x
  2. Step 2: Convert to fraction form
    453,468.85/680,180.90 = 169,137.32/x
  3. Step 3: Cross multiply
    453,468.85x = 680,180.90 × 169,137.32
  4. Step 4: Simplify right side
    453,468.85x = 115,043,970,294.60
  5. Step 5: Solve for x
    x = 115,043,970,294.60/453,468.85
  6. Step 6: Final answer
    x = 253,697.63

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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.