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Finding the Fourth Proportional to 580,317.05, 800,837.96 and 325,668.21

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Solution

The fourth proportional to 580,317.05, 800,837.96 and 325,668.21 is: 449,422.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,317.05 : 800,837.96 = 325,668.21 : x
  2. Step 2: Convert to fraction form
    580,317.05/800,837.96 = 325,668.21/x
  3. Step 3: Cross multiply
    580,317.05x = 800,837.96 × 325,668.21
  4. Step 4: Simplify right side
    580,317.05x = 260,807,463,304.91
  5. Step 5: Solve for x
    x = 260,807,463,304.91/580,317.05
  6. Step 6: Final answer
    x = 449,422.37

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1.5x scale

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.