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Finding the Fourth Proportional to 481,502.99, 721,825 and 228,627.47

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Solution

The fourth proportional to 481,502.99, 721,825 and 228,627.47 is: 342,737.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,502.99 : 721,825 = 228,627.47 : x
  2. Step 2: Convert to fraction form
    481,502.99/721,825 = 228,627.47/x
  3. Step 3: Cross multiply
    481,502.99x = 721,825 × 228,627.47
  4. Step 4: Simplify right side
    481,502.99x = 165,029,023,532.75
  5. Step 5: Solve for x
    x = 165,029,023,532.75/481,502.99
  6. Step 6: Final answer
    x = 342,737.28

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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.