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Finding the Fourth Proportional to 481,563.73, 721,681.30 and 363,104.88

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Solution

The fourth proportional to 481,563.73, 721,681.30 and 363,104.88 is: 544,156.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,563.73 : 721,681.30 = 363,104.88 : x
  2. Step 2: Convert to fraction form
    481,563.73/721,681.30 = 363,104.88/x
  3. Step 3: Cross multiply
    481,563.73x = 721,681.30 × 363,104.88
  4. Step 4: Simplify right side
    481,563.73x = 262,045,997,539.86
  5. Step 5: Solve for x
    x = 262,045,997,539.86/481,563.73
  6. Step 6: Final answer
    x = 544,156.42

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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.