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Finding the Fourth Proportional to 490,996.56, 736,567.77 and 154,064.94

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Solution

The fourth proportional to 490,996.56, 736,567.77 and 154,064.94 is: 231,120.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,996.56 : 736,567.77 = 154,064.94 : x
  2. Step 2: Convert to fraction form
    490,996.56/736,567.77 = 154,064.94/x
  3. Step 3: Cross multiply
    490,996.56x = 736,567.77 × 154,064.94
  4. Step 4: Simplify right side
    490,996.56x = 113,479,269,290.98
  5. Step 5: Solve for x
    x = 113,479,269,290.98/490,996.56
  6. Step 6: Final answer
    x = 231,120.29

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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.