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Finding the Fourth Proportional to 395,365.32, 593,105.85 and 125,403.39

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Solution

The fourth proportional to 395,365.32, 593,105.85 and 125,403.39 is: 188,123.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,365.32 : 593,105.85 = 125,403.39 : x
  2. Step 2: Convert to fraction form
    395,365.32/593,105.85 = 125,403.39/x
  3. Step 3: Cross multiply
    395,365.32x = 593,105.85 × 125,403.39
  4. Step 4: Simplify right side
    395,365.32x = 74,377,484,218.83
  5. Step 5: Solve for x
    x = 74,377,484,218.83/395,365.32
  6. Step 6: Final answer
    x = 188,123.44

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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.