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Finding the Fourth Proportional to 367,415.70, 550,540.35 and 242,610.90

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Solution

The fourth proportional to 367,415.70, 550,540.35 and 242,610.90 is: 363,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,415.70 : 550,540.35 = 242,610.90 : x
  2. Step 2: Convert to fraction form
    367,415.70/550,540.35 = 242,610.90/x
  3. Step 3: Cross multiply
    367,415.70x = 550,540.35 × 242,610.90
  4. Step 4: Simplify right side
    367,415.70x = 133,567,089,799.82
  5. Step 5: Solve for x
    x = 133,567,089,799.82/367,415.70
  6. Step 6: Final answer
    x = 363,531.25

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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.