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Finding the Fourth Proportional to 610,968.36, 843,114.28 and 339,048.12

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Solution

The fourth proportional to 610,968.36, 843,114.28 and 339,048.12 is: 467,874.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,968.36 : 843,114.28 = 339,048.12 : x
  2. Step 2: Convert to fraction form
    610,968.36/843,114.28 = 339,048.12/x
  3. Step 3: Cross multiply
    610,968.36x = 843,114.28 × 339,048.12
  4. Step 4: Simplify right side
    610,968.36x = 285,856,311,579.15
  5. Step 5: Solve for x
    x = 285,856,311,579.15/610,968.36
  6. Step 6: Final answer
    x = 467,874.17

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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.