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Finding the Fourth Proportional to 481,040.46, 721,809.70 and 349,010.46

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Solution

The fourth proportional to 481,040.46, 721,809.70 and 349,010.46 is: 523,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,040.46 : 721,809.70 = 349,010.46 : x
  2. Step 2: Convert to fraction form
    481,040.46/721,809.70 = 349,010.46/x
  3. Step 3: Cross multiply
    481,040.46x = 721,809.70 × 349,010.46
  4. Step 4: Simplify right side
    481,040.46x = 251,919,135,429.46
  5. Step 5: Solve for x
    x = 251,919,135,429.46/481,040.46
  6. Step 6: Final answer
    x = 523,696.35

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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.