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Finding the Fourth Proportional to 453,997.83, 626,504.18 and 247,261.54

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Solution

The fourth proportional to 453,997.83, 626,504.18 and 247,261.54 is: 341,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,997.83 : 626,504.18 = 247,261.54 : x
  2. Step 2: Convert to fraction form
    453,997.83/626,504.18 = 247,261.54/x
  3. Step 3: Cross multiply
    453,997.83x = 626,504.18 × 247,261.54
  4. Step 4: Simplify right side
    453,997.83x = 154,910,387,126.93
  5. Step 5: Solve for x
    x = 154,910,387,126.93/453,997.83
  6. Step 6: Final answer
    x = 341,213.94

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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.