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Finding the Fourth Proportional to 395,918.76, 593,877.42 and 111,608.76

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Solution

The fourth proportional to 395,918.76, 593,877.42 and 111,608.76 is: 167,412.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,918.76 : 593,877.42 = 111,608.76 : x
  2. Step 2: Convert to fraction form
    395,918.76/593,877.42 = 111,608.76/x
  3. Step 3: Cross multiply
    395,918.76x = 593,877.42 × 111,608.76
  4. Step 4: Simplify right side
    395,918.76x = 66,281,922,438.20
  5. Step 5: Solve for x
    x = 66,281,922,438.20/395,918.76
  6. Step 6: Final answer
    x = 167,412.94

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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.