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Finding the Fourth Proportional to 404,245.44, 606,372.48 and 123,765.12

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Solution

The fourth proportional to 404,245.44, 606,372.48 and 123,765.12 is: 185,649.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,245.44 : 606,372.48 = 123,765.12 : x
  2. Step 2: Convert to fraction form
    404,245.44/606,372.48 = 123,765.12/x
  3. Step 3: Cross multiply
    404,245.44x = 606,372.48 × 123,765.12
  4. Step 4: Simplify right side
    404,245.44x = 75,047,762,751.90
  5. Step 5: Solve for x
    x = 75,047,762,751.90/404,245.44
  6. Step 6: Final answer
    x = 185,649.00

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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.