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Finding the Fourth Proportional to 580,390.52, 800,938.92 and 325,741.71

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Solution

The fourth proportional to 580,390.52, 800,938.92 and 325,741.71 is: 449,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,390.52 : 800,938.92 = 325,741.71 : x
  2. Step 2: Convert to fraction form
    580,390.52/800,938.92 = 325,741.71/x
  3. Step 3: Cross multiply
    580,390.52x = 800,938.92 × 325,741.71
  4. Step 4: Simplify right side
    580,390.52x = 260,899,213,406.35
  5. Step 5: Solve for x
    x = 260,899,213,406.35/580,390.52
  6. Step 6: Final answer
    x = 449,523.56

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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.