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Finding the Fourth Proportional to 453,736.41, 678,894.53 and 270,690.27

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Solution

The fourth proportional to 453,736.41, 678,894.53 and 270,690.27 is: 405,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,736.41 : 678,894.53 = 270,690.27 : x
  2. Step 2: Convert to fraction form
    453,736.41/678,894.53 = 270,690.27/x
  3. Step 3: Cross multiply
    453,736.41x = 678,894.53 × 270,690.27
  4. Step 4: Simplify right side
    453,736.41x = 183,770,142,273.77
  5. Step 5: Solve for x
    x = 183,770,142,273.77/453,736.41
  6. Step 6: Final answer
    x = 405,015.20

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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.