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Finding the Fourth Proportional to 395,366.55, 593,072.80 and 111,079.26

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Solution

The fourth proportional to 395,366.55, 593,072.80 and 111,079.26 is: 166,625.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,366.55 : 593,072.80 = 111,079.26 : x
  2. Step 2: Convert to fraction form
    395,366.55/593,072.80 = 111,079.26/x
  3. Step 3: Cross multiply
    395,366.55x = 593,072.80 × 111,079.26
  4. Step 4: Simplify right side
    395,366.55x = 65,878,087,750.13
  5. Step 5: Solve for x
    x = 65,878,087,750.13/395,366.55
  6. Step 6: Final answer
    x = 166,625.34

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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.