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Finding the Fourth Proportional to 580,661.64, 801,292.41 and 326,023.56

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Solution

The fourth proportional to 580,661.64, 801,292.41 and 326,023.56 is: 449,900.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,661.64 : 801,292.41 = 326,023.56 : x
  2. Step 2: Convert to fraction form
    580,661.64/801,292.41 = 326,023.56/x
  3. Step 3: Cross multiply
    580,661.64x = 801,292.41 × 326,023.56
  4. Step 4: Simplify right side
    580,661.64x = 261,240,204,109.18
  5. Step 5: Solve for x
    x = 261,240,204,109.18/580,661.64
  6. Step 6: Final answer
    x = 449,900.92

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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.