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Finding the Fourth Proportional to 395,356, 593,091.96 and 125,394.12

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Solution

The fourth proportional to 395,356, 593,091.96 and 125,394.12 is: 188,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,356 : 593,091.96 = 125,394.12 : x
  2. Step 2: Convert to fraction form
    395,356/593,091.96 = 125,394.12/x
  3. Step 3: Cross multiply
    395,356x = 593,091.96 × 125,394.12
  4. Step 4: Simplify right side
    395,356x = 74,370,244,403.28
  5. Step 5: Solve for x
    x = 74,370,244,403.28/395,356
  6. Step 6: Final answer
    x = 188,109.56

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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.