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Finding the Fourth Proportional to 498,791.01, 747,559.13 and 214,144.76

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Solution

The fourth proportional to 498,791.01, 747,559.13 and 214,144.76 is: 320,947.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,791.01 : 747,559.13 = 214,144.76 : x
  2. Step 2: Convert to fraction form
    498,791.01/747,559.13 = 214,144.76/x
  3. Step 3: Cross multiply
    498,791.01x = 747,559.13 × 214,144.76
  4. Step 4: Simplify right side
    498,791.01x = 160,085,871,277.83
  5. Step 5: Solve for x
    x = 160,085,871,277.83/498,791.01
  6. Step 6: Final answer
    x = 320,947.79

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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.