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Finding the Fourth Proportional to 568,093.75, 783,994.40 and 326,452.12

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Solution

The fourth proportional to 568,093.75, 783,994.40 and 326,452.12 is: 450,518.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,093.75 : 783,994.40 = 326,452.12 : x
  2. Step 2: Convert to fraction form
    568,093.75/783,994.40 = 326,452.12/x
  3. Step 3: Cross multiply
    568,093.75x = 783,994.40 × 326,452.12
  4. Step 4: Simplify right side
    568,093.75x = 255,936,633,948.13
  5. Step 5: Solve for x
    x = 255,936,633,948.13/568,093.75
  6. Step 6: Final answer
    x = 450,518.31

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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.