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Finding the Fourth Proportional to 481,034.87, 721,801.26 and 349,004.87

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Solution

The fourth proportional to 481,034.87, 721,801.26 and 349,004.87 is: 523,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,034.87 : 721,801.26 = 349,004.87 : x
  2. Step 2: Convert to fraction form
    481,034.87/721,801.26 = 349,004.87/x
  3. Step 3: Cross multiply
    481,034.87x = 721,801.26 × 349,004.87
  4. Step 4: Simplify right side
    481,034.87x = 251,912,151,303.13
  5. Step 5: Solve for x
    x = 251,912,151,303.13/481,034.87
  6. Step 6: Final answer
    x = 523,687.93

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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.