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Finding the Fourth Proportional to 600,119.89, 828,241.10 and 393,561.99

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Solution

The fourth proportional to 600,119.89, 828,241.10 and 393,561.99 is: 543,165.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,119.89 : 828,241.10 = 393,561.99 : x
  2. Step 2: Convert to fraction form
    600,119.89/828,241.10 = 393,561.99/x
  3. Step 3: Cross multiply
    600,119.89x = 828,241.10 × 393,561.99
  4. Step 4: Simplify right side
    600,119.89x = 325,964,215,515.79
  5. Step 5: Solve for x
    x = 325,964,215,515.79/600,119.89
  6. Step 6: Final answer
    x = 543,165.16

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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.