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Finding the Fourth Proportional to 848,977, 1,273,465.48 and 217,890.80

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Solution

The fourth proportional to 848,977, 1,273,465.48 and 217,890.80 is: 326,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,977 : 1,273,465.48 = 217,890.80 : x
  2. Step 2: Convert to fraction form
    848,977/1,273,465.48 = 217,890.80/x
  3. Step 3: Cross multiply
    848,977x = 1,273,465.48 × 217,890.80
  4. Step 4: Simplify right side
    848,977x = 277,476,412,209.58
  5. Step 5: Solve for x
    x = 277,476,412,209.58/848,977
  6. Step 6: Final answer
    x = 326,836.19

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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.