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Finding the Fourth Proportional to 560,520.36, 773,534.44 and 305,887.95

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Solution

The fourth proportional to 560,520.36, 773,534.44 and 305,887.95 is: 422,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,520.36 : 773,534.44 = 305,887.95 : x
  2. Step 2: Convert to fraction form
    560,520.36/773,534.44 = 305,887.95/x
  3. Step 3: Cross multiply
    560,520.36x = 773,534.44 × 305,887.95
  4. Step 4: Simplify right side
    560,520.36x = 236,614,862,576.56
  5. Step 5: Solve for x
    x = 236,614,862,576.56/560,520.36
  6. Step 6: Final answer
    x = 422,134.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.