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Finding the Fourth Proportional to 770,199.75, 1,062,793.93 and 425,980.99

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Solution

The fourth proportional to 770,199.75, 1,062,793.93 and 425,980.99 is: 587,808.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,199.75 : 1,062,793.93 = 425,980.99 : x
  2. Step 2: Convert to fraction form
    770,199.75/1,062,793.93 = 425,980.99/x
  3. Step 3: Cross multiply
    770,199.75x = 1,062,793.93 × 425,980.99
  4. Step 4: Simplify right side
    770,199.75x = 452,730,010,467.39
  5. Step 5: Solve for x
    x = 452,730,010,467.39/770,199.75
  6. Step 6: Final answer
    x = 587,808.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.