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Finding the Fourth Proportional to 607,796.11, 911,729.85 and 228,720.07

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Solution

The fourth proportional to 607,796.11, 911,729.85 and 228,720.07 is: 343,093.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,796.11 : 911,729.85 = 228,720.07 : x
  2. Step 2: Convert to fraction form
    607,796.11/911,729.85 = 228,720.07/x
  3. Step 3: Cross multiply
    607,796.11x = 911,729.85 × 228,720.07
  4. Step 4: Simplify right side
    607,796.11x = 208,530,915,113.09
  5. Step 5: Solve for x
    x = 208,530,915,113.09/607,796.11
  6. Step 6: Final answer
    x = 343,093.53

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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.