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Finding the Fourth Proportional to 580,661.14, 801,291.72 and 326,023.06

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Solution

The fourth proportional to 580,661.14, 801,291.72 and 326,023.06 is: 449,900.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,661.14 : 801,291.72 = 326,023.06 : x
  2. Step 2: Convert to fraction form
    580,661.14/801,291.72 = 326,023.06/x
  3. Step 3: Cross multiply
    580,661.14x = 801,291.72 × 326,023.06
  4. Step 4: Simplify right side
    580,661.14x = 261,239,578,507.06
  5. Step 5: Solve for x
    x = 261,239,578,507.06/580,661.14
  6. Step 6: Final answer
    x = 449,900.23

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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.