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Finding the Fourth Proportional to 339,039.52, 467,903.26 and 186,103.61

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Solution

The fourth proportional to 339,039.52, 467,903.26 and 186,103.61 is: 256,838.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,039.52 : 467,903.26 = 186,103.61 : x
  2. Step 2: Convert to fraction form
    339,039.52/467,903.26 = 186,103.61/x
  3. Step 3: Cross multiply
    339,039.52x = 467,903.26 × 186,103.61
  4. Step 4: Simplify right side
    339,039.52x = 87,078,485,816.77
  5. Step 5: Solve for x
    x = 87,078,485,816.77/339,039.52
  6. Step 6: Final answer
    x = 256,838.75

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1.5x scale

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.