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Finding the Fourth Proportional to 580,515.39, 801,110.66 and 325,867.05

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Solution

The fourth proportional to 580,515.39, 801,110.66 and 325,867.05 is: 449,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,515.39 : 801,110.66 = 325,867.05 : x
  2. Step 2: Convert to fraction form
    580,515.39/801,110.66 = 325,867.05/x
  3. Step 3: Cross multiply
    580,515.39x = 801,110.66 × 325,867.05
  4. Step 4: Simplify right side
    580,515.39x = 261,055,565,868.42
  5. Step 5: Solve for x
    x = 261,055,565,868.42/580,515.39
  6. Step 6: Final answer
    x = 449,696.20

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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.