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Finding the Fourth Proportional to 481,040.91, 663,293.21 and 359,793.63

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Solution

The fourth proportional to 481,040.91, 663,293.21 and 359,793.63 is: 496,108.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,040.91 : 663,293.21 = 359,793.63 : x
  2. Step 2: Convert to fraction form
    481,040.91/663,293.21 = 359,793.63/x
  3. Step 3: Cross multiply
    481,040.91x = 663,293.21 × 359,793.63
  4. Step 4: Simplify right side
    481,040.91x = 238,648,669,981.28
  5. Step 5: Solve for x
    x = 238,648,669,981.28/481,040.91
  6. Step 6: Final answer
    x = 496,108.89

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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.