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Finding the Fourth Proportional to 453,880, 681,131.04 and 158,392

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Solution

The fourth proportional to 453,880, 681,131.04 and 158,392 is: 237,696.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,880 : 681,131.04 = 158,392 : x
  2. Step 2: Convert to fraction form
    453,880/681,131.04 = 158,392/x
  3. Step 3: Cross multiply
    453,880x = 681,131.04 × 158,392
  4. Step 4: Simplify right side
    453,880x = 107,885,707,687.68
  5. Step 5: Solve for x
    x = 107,885,707,687.68/453,880
  6. Step 6: Final answer
    x = 237,696.54

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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.