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Finding the Fourth Proportional to 354,991.52, 532,092.87 and 270,473.05

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Solution

The fourth proportional to 354,991.52, 532,092.87 and 270,473.05 is: 405,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,991.52 : 532,092.87 = 270,473.05 : x
  2. Step 2: Convert to fraction form
    354,991.52/532,092.87 = 270,473.05/x
  3. Step 3: Cross multiply
    354,991.52x = 532,092.87 × 270,473.05
  4. Step 4: Simplify right side
    354,991.52x = 143,916,780,085.32
  5. Step 5: Solve for x
    x = 143,916,780,085.32/354,991.52
  6. Step 6: Final answer
    x = 405,409.06

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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.