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Finding the Fourth Proportional to 481,034.48, 721,800.68 and 349,004.48

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Solution

The fourth proportional to 481,034.48, 721,800.68 and 349,004.48 is: 523,687.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,034.48 : 721,800.68 = 349,004.48 : x
  2. Step 2: Convert to fraction form
    481,034.48/721,800.68 = 349,004.48/x
  3. Step 3: Cross multiply
    481,034.48x = 721,800.68 × 349,004.48
  4. Step 4: Simplify right side
    481,034.48x = 251,911,665,633.02
  5. Step 5: Solve for x
    x = 251,911,665,633.02/481,034.48
  6. Step 6: Final answer
    x = 523,687.34

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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.