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Finding the Fourth Proportional to 580,172.10, 800,651.30 and 325,542.12

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Solution

The fourth proportional to 580,172.10, 800,651.30 and 325,542.12 is: 449,255.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,172.10 : 800,651.30 = 325,542.12 : x
  2. Step 2: Convert to fraction form
    580,172.10/800,651.30 = 325,542.12/x
  3. Step 3: Cross multiply
    580,172.10x = 800,651.30 × 325,542.12
  4. Step 4: Simplify right side
    580,172.10x = 260,645,721,582.76
  5. Step 5: Solve for x
    x = 260,645,721,582.76/580,172.10
  6. Step 6: Final answer
    x = 449,255.87

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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.