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Finding the Fourth Proportional to 356,512.87, 534,770.53 and 90,273.26

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Solution

The fourth proportional to 356,512.87, 534,770.53 and 90,273.26 is: 135,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,512.87 : 534,770.53 = 90,273.26 : x
  2. Step 2: Convert to fraction form
    356,512.87/534,770.53 = 90,273.26/x
  3. Step 3: Cross multiply
    356,512.87x = 534,770.53 × 90,273.26
  4. Step 4: Simplify right side
    356,512.87x = 48,275,480,206.27
  5. Step 5: Solve for x
    x = 48,275,480,206.27/356,512.87
  6. Step 6: Final answer
    x = 135,410.20

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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.