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Finding the Fourth Proportional to 580,052.87, 800,478.42 and 325,409.52

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Solution

The fourth proportional to 580,052.87, 800,478.42 and 325,409.52 is: 449,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,052.87 : 800,478.42 = 325,409.52 : x
  2. Step 2: Convert to fraction form
    580,052.87/800,478.42 = 325,409.52/x
  3. Step 3: Cross multiply
    580,052.87x = 800,478.42 × 325,409.52
  4. Step 4: Simplify right side
    580,052.87x = 260,483,297,609.04
  5. Step 5: Solve for x
    x = 260,483,297,609.04/580,052.87
  6. Step 6: Final answer
    x = 449,068.20

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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.