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Finding the Fourth Proportional to 503,028.96, 754,542.63 and 129,051.96

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Solution

The fourth proportional to 503,028.96, 754,542.63 and 129,051.96 is: 193,577.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,028.96 : 754,542.63 = 129,051.96 : x
  2. Step 2: Convert to fraction form
    503,028.96/754,542.63 = 129,051.96/x
  3. Step 3: Cross multiply
    503,028.96x = 754,542.63 × 129,051.96
  4. Step 4: Simplify right side
    503,028.96x = 97,375,205,305.05
  5. Step 5: Solve for x
    x = 97,375,205,305.05/503,028.96
  6. Step 6: Final answer
    x = 193,577.73

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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.