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Finding the Fourth Proportional to 848,897, 1,171,644.27 and 486,563.75

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Solution

The fourth proportional to 848,897, 1,171,644.27 and 486,563.75 is: 671,553.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,897 : 1,171,644.27 = 486,563.75 : x
  2. Step 2: Convert to fraction form
    848,897/1,171,644.27 = 486,563.75/x
  3. Step 3: Cross multiply
    848,897x = 1,171,644.27 × 486,563.75
  4. Step 4: Simplify right side
    848,897x = 570,079,629,677.21
  5. Step 5: Solve for x
    x = 570,079,629,677.21/848,897
  6. Step 6: Final answer
    x = 671,553.36

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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.