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Finding the Fourth Proportional to 599,695.20, 827,499.42 and 385,125.93

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Solution

The fourth proportional to 599,695.20, 827,499.42 and 385,125.93 is: 531,422.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,695.20 : 827,499.42 = 385,125.93 : x
  2. Step 2: Convert to fraction form
    599,695.20/827,499.42 = 385,125.93/x
  3. Step 3: Cross multiply
    599,695.20x = 827,499.42 × 385,125.93
  4. Step 4: Simplify right side
    599,695.20x = 318,691,483,701.96
  5. Step 5: Solve for x
    x = 318,691,483,701.96/599,695.20
  6. Step 6: Final answer
    x = 531,422.44

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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.