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Finding the Fourth Proportional to 568,879.86, 785,014.29 and 314,211

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Solution

The fourth proportional to 568,879.86, 785,014.29 and 314,211 is: 433,589.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,879.86 : 785,014.29 = 314,211 : x
  2. Step 2: Convert to fraction form
    568,879.86/785,014.29 = 314,211/x
  3. Step 3: Cross multiply
    568,879.86x = 785,014.29 × 314,211
  4. Step 4: Simplify right side
    568,879.86x = 246,660,125,075.19
  5. Step 5: Solve for x
    x = 246,660,125,075.19/568,879.86
  6. Step 6: Final answer
    x = 433,589.13

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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.