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Finding the Fourth Proportional to 468,346.22, 646,333.43 and 287,023.11

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Solution

The fourth proportional to 468,346.22, 646,333.43 and 287,023.11 is: 396,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,346.22 : 646,333.43 = 287,023.11 : x
  2. Step 2: Convert to fraction form
    468,346.22/646,333.43 = 287,023.11/x
  3. Step 3: Cross multiply
    468,346.22x = 646,333.43 × 287,023.11
  4. Step 4: Simplify right side
    468,346.22x = 185,512,629,740.45
  5. Step 5: Solve for x
    x = 185,512,629,740.45/468,346.22
  6. Step 6: Final answer
    x = 396,101.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.