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Finding the Fourth Proportional to 449,706.37, 620,596.41 and 245,760.42

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Solution

The fourth proportional to 449,706.37, 620,596.41 and 245,760.42 is: 339,150.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,706.37 : 620,596.41 = 245,760.42 : x
  2. Step 2: Convert to fraction form
    449,706.37/620,596.41 = 245,760.42/x
  3. Step 3: Cross multiply
    449,706.37x = 620,596.41 × 245,760.42
  4. Step 4: Simplify right side
    449,706.37x = 152,518,034,372.09
  5. Step 5: Solve for x
    x = 152,518,034,372.09/449,706.37
  6. Step 6: Final answer
    x = 339,150.26

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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.