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Finding the Fourth Proportional to 580,055.38, 800,481.88 and 325,412.02

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Solution

The fourth proportional to 580,055.38, 800,481.88 and 325,412.02 is: 449,071.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,055.38 : 800,481.88 = 325,412.02 : x
  2. Step 2: Convert to fraction form
    580,055.38/800,481.88 = 325,412.02/x
  3. Step 3: Cross multiply
    580,055.38x = 800,481.88 × 325,412.02
  4. Step 4: Simplify right side
    580,055.38x = 260,486,425,544.20
  5. Step 5: Solve for x
    x = 260,486,425,544.20/580,055.38
  6. Step 6: Final answer
    x = 449,071.65

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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.