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Finding the Fourth Proportional to 463,260.10, 694,562.10 and 210,661.60

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Solution

The fourth proportional to 463,260.10, 694,562.10 and 210,661.60 is: 315,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,260.10 : 694,562.10 = 210,661.60 : x
  2. Step 2: Convert to fraction form
    463,260.10/694,562.10 = 210,661.60/x
  3. Step 3: Cross multiply
    463,260.10x = 694,562.10 × 210,661.60
  4. Step 4: Simplify right side
    463,260.10x = 146,317,563,285.36
  5. Step 5: Solve for x
    x = 146,317,563,285.36/463,260.10
  6. Step 6: Final answer
    x = 315,843.22

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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.