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Finding the Fourth Proportional to 395,881.95, 593,857.32 and 111,574.38

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Solution

The fourth proportional to 395,881.95, 593,857.32 and 111,574.38 is: 167,371.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,881.95 : 593,857.32 = 111,574.38 : x
  2. Step 2: Convert to fraction form
    395,881.95/593,857.32 = 111,574.38/x
  3. Step 3: Cross multiply
    395,881.95x = 593,857.32 × 111,574.38
  4. Step 4: Simplify right side
    395,881.95x = 66,259,261,383.18
  5. Step 5: Solve for x
    x = 66,259,261,383.18/395,881.95
  6. Step 6: Final answer
    x = 167,371.26

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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.