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Finding the Fourth Proportional to 451,359.60, 622,942.56 and 260,335.68

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Solution

The fourth proportional to 451,359.60, 622,942.56 and 260,335.68 is: 359,301.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,359.60 : 622,942.56 = 260,335.68 : x
  2. Step 2: Convert to fraction form
    451,359.60/622,942.56 = 260,335.68/x
  3. Step 3: Cross multiply
    451,359.60x = 622,942.56 × 260,335.68
  4. Step 4: Simplify right side
    451,359.60x = 162,174,174,958.54
  5. Step 5: Solve for x
    x = 162,174,174,958.54/451,359.60
  6. Step 6: Final answer
    x = 359,301.49

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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.