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Finding the Fourth Proportional to 793,894.05, 1,190,842 and 217,522.21

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Solution

The fourth proportional to 793,894.05, 1,190,842 and 217,522.21 is: 326,283.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,894.05 : 1,190,842 = 217,522.21 : x
  2. Step 2: Convert to fraction form
    793,894.05/1,190,842 = 217,522.21/x
  3. Step 3: Cross multiply
    793,894.05x = 1,190,842 × 217,522.21
  4. Step 4: Simplify right side
    793,894.05x = 259,034,583,600.82
  5. Step 5: Solve for x
    x = 259,034,583,600.82/793,894.05
  6. Step 6: Final answer
    x = 326,283.57

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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.