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Finding the Fourth Proportional to 595,365.92, 821,601.68 and 323,431.64

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Solution

The fourth proportional to 595,365.92, 821,601.68 and 323,431.64 is: 446,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,365.92 : 821,601.68 = 323,431.64 : x
  2. Step 2: Convert to fraction form
    595,365.92/821,601.68 = 323,431.64/x
  3. Step 3: Cross multiply
    595,365.92x = 821,601.68 × 323,431.64
  4. Step 4: Simplify right side
    595,365.92x = 265,731,978,789.16
  5. Step 5: Solve for x
    x = 265,731,978,789.16/595,365.92
  6. Step 6: Final answer
    x = 446,333.88

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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.