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Finding the Fourth Proportional to 503,625.60, 755,161.92 and 345,893.76

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Solution

The fourth proportional to 503,625.60, 755,161.92 and 345,893.76 is: 518,650.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,625.60 : 755,161.92 = 345,893.76 : x
  2. Step 2: Convert to fraction form
    503,625.60/755,161.92 = 345,893.76/x
  3. Step 3: Cross multiply
    503,625.60x = 755,161.92 × 345,893.76
  4. Step 4: Simplify right side
    503,625.60x = 261,205,795,917.62
  5. Step 5: Solve for x
    x = 261,205,795,917.62/503,625.60
  6. Step 6: Final answer
    x = 518,650.75

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1.5x scale

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.