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Finding the Fourth Proportional to 339,059.99, 508,686.24 and 276,472.10

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Solution

The fourth proportional to 339,059.99, 508,686.24 and 276,472.10 is: 414,786.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,059.99 : 508,686.24 = 276,472.10 : x
  2. Step 2: Convert to fraction form
    339,059.99/508,686.24 = 276,472.10/x
  3. Step 3: Cross multiply
    339,059.99x = 508,686.24 × 276,472.10
  4. Step 4: Simplify right side
    339,059.99x = 140,637,553,013.90
  5. Step 5: Solve for x
    x = 140,637,553,013.90/339,059.99
  6. Step 6: Final answer
    x = 414,786.64

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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.