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Finding the Fourth Proportional to 339,057.99, 508,683.24 and 276,470.10

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Solution

The fourth proportional to 339,057.99, 508,683.24 and 276,470.10 is: 414,783.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,057.99 : 508,683.24 = 276,470.10 : x
  2. Step 2: Convert to fraction form
    339,057.99/508,683.24 = 276,470.10/x
  3. Step 3: Cross multiply
    339,057.99x = 508,683.24 × 276,470.10
  4. Step 4: Simplify right side
    339,057.99x = 140,635,706,231.12
  5. Step 5: Solve for x
    x = 140,635,706,231.12/339,057.99
  6. Step 6: Final answer
    x = 414,783.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.