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Finding the Fourth Proportional to 694,563.66, 957,957.03 and 465,048

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Solution

The fourth proportional to 694,563.66, 957,957.03 and 465,048 is: 641,404.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,563.66 : 957,957.03 = 465,048 : x
  2. Step 2: Convert to fraction form
    694,563.66/957,957.03 = 465,048/x
  3. Step 3: Cross multiply
    694,563.66x = 957,957.03 × 465,048
  4. Step 4: Simplify right side
    694,563.66x = 445,496,000,887.44
  5. Step 5: Solve for x
    x = 445,496,000,887.44/694,563.66
  6. Step 6: Final answer
    x = 641,404.13

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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.