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Finding the Fourth Proportional to 560,563.29, 840,344.96 and 205,494.44

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Solution

The fourth proportional to 560,563.29, 840,344.96 and 205,494.44 is: 308,058.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,563.29 : 840,344.96 = 205,494.44 : x
  2. Step 2: Convert to fraction form
    560,563.29/840,344.96 = 205,494.44/x
  3. Step 3: Cross multiply
    560,563.29x = 840,344.96 × 205,494.44
  4. Step 4: Simplify right side
    560,563.29x = 172,686,211,732.83
  5. Step 5: Solve for x
    x = 172,686,211,732.83/560,563.29
  6. Step 6: Final answer
    x = 308,058.37

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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.