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Finding the Fourth Proportional to 339,037, 508,628.40 and 114,403

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Solution

The fourth proportional to 339,037, 508,628.40 and 114,403 is: 171,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,037 : 508,628.40 = 114,403 : x
  2. Step 2: Convert to fraction form
    339,037/508,628.40 = 114,403/x
  3. Step 3: Cross multiply
    339,037x = 508,628.40 × 114,403
  4. Step 4: Simplify right side
    339,037x = 58,188,614,845.20
  5. Step 5: Solve for x
    x = 58,188,614,845.20/339,037
  6. Step 6: Final answer
    x = 171,629.10

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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.