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Finding the Fourth Proportional to 580,664.64, 801,296.54 and 326,026.56

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Solution

The fourth proportional to 580,664.64, 801,296.54 and 326,026.56 is: 449,905.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,664.64 : 801,296.54 = 326,026.56 : x
  2. Step 2: Convert to fraction form
    580,664.64/801,296.54 = 326,026.56/x
  3. Step 3: Cross multiply
    580,664.64x = 801,296.54 × 326,026.56
  4. Step 4: Simplify right side
    580,664.64x = 261,243,954,476.10
  5. Step 5: Solve for x
    x = 261,243,954,476.10/580,664.64
  6. Step 6: Final answer
    x = 449,905.05

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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.