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Finding the Fourth Proportional to 580,052.62, 800,478.07 and 325,409.27

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Solution

The fourth proportional to 580,052.62, 800,478.07 and 325,409.27 is: 449,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,052.62 : 800,478.07 = 325,409.27 : x
  2. Step 2: Convert to fraction form
    580,052.62/800,478.07 = 325,409.27/x
  3. Step 3: Cross multiply
    580,052.62x = 800,478.07 × 325,409.27
  4. Step 4: Simplify right side
    580,052.62x = 260,482,985,223.23
  5. Step 5: Solve for x
    x = 260,482,985,223.23/580,052.62
  6. Step 6: Final answer
    x = 449,067.86

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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.