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Finding the Fourth Proportional to 431,619.50, 595,711.86 and 270,612.56

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Solution

The fourth proportional to 431,619.50, 595,711.86 and 270,612.56 is: 373,493.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,619.50 : 595,711.86 = 270,612.56 : x
  2. Step 2: Convert to fraction form
    431,619.50/595,711.86 = 270,612.56/x
  3. Step 3: Cross multiply
    431,619.50x = 595,711.86 × 270,612.56
  4. Step 4: Simplify right side
    431,619.50x = 161,207,111,456.96
  5. Step 5: Solve for x
    x = 161,207,111,456.96/431,619.50
  6. Step 6: Final answer
    x = 373,493.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.