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Finding the Fourth Proportional to 450,506.44, 621,690.59 and 246,553.30

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Solution

The fourth proportional to 450,506.44, 621,690.59 and 246,553.30 is: 340,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,506.44 : 621,690.59 = 246,553.30 : x
  2. Step 2: Convert to fraction form
    450,506.44/621,690.59 = 246,553.30/x
  3. Step 3: Cross multiply
    450,506.44x = 621,690.59 × 246,553.30
  4. Step 4: Simplify right side
    450,506.44x = 153,279,867,936.94
  5. Step 5: Solve for x
    x = 153,279,867,936.94/450,506.44
  6. Step 6: Final answer
    x = 340,239.02

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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.