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Finding the Fourth Proportional to 395,168.36, 592,814.27 and 128,866.94

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Solution

The fourth proportional to 395,168.36, 592,814.27 and 128,866.94 is: 193,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,168.36 : 592,814.27 = 128,866.94 : x
  2. Step 2: Convert to fraction form
    395,168.36/592,814.27 = 128,866.94/x
  3. Step 3: Cross multiply
    395,168.36x = 592,814.27 × 128,866.94
  4. Step 4: Simplify right side
    395,168.36x = 76,394,162,767.44
  5. Step 5: Solve for x
    x = 76,394,162,767.44/395,168.36
  6. Step 6: Final answer
    x = 193,320.54

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1.5x scale

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.