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Finding the Fourth Proportional to 481,227.76, 721,365.48 and 228,063.28

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Solution

The fourth proportional to 481,227.76, 721,365.48 and 228,063.28 is: 341,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,227.76 : 721,365.48 = 228,063.28 : x
  2. Step 2: Convert to fraction form
    481,227.76/721,365.48 = 228,063.28/x
  3. Step 3: Cross multiply
    481,227.76x = 721,365.48 × 228,063.28
  4. Step 4: Simplify right side
    481,227.76x = 164,516,977,447.57
  5. Step 5: Solve for x
    x = 164,516,977,447.57/481,227.76
  6. Step 6: Final answer
    x = 341,869.26

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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.