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Finding the Fourth Proportional to 848,975, 1,273,462.48 and 217,888.80

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Solution

The fourth proportional to 848,975, 1,273,462.48 and 217,888.80 is: 326,833.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,975 : 1,273,462.48 = 217,888.80 : x
  2. Step 2: Convert to fraction form
    848,975/1,273,462.48 = 217,888.80/x
  3. Step 3: Cross multiply
    848,975x = 1,273,462.48 × 217,888.80
  4. Step 4: Simplify right side
    848,975x = 277,473,211,612.22
  5. Step 5: Solve for x
    x = 277,473,211,612.22/848,975
  6. Step 6: Final answer
    x = 326,833.19

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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.