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Finding the Fourth Proportional to 568,007.20, 851,287.20 and 301,895.20

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Solution

The fourth proportional to 568,007.20, 851,287.20 and 301,895.20 is: 452,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,007.20 : 851,287.20 = 301,895.20 : x
  2. Step 2: Convert to fraction form
    568,007.20/851,287.20 = 301,895.20/x
  3. Step 3: Cross multiply
    568,007.20x = 851,287.20 × 301,895.20
  4. Step 4: Simplify right side
    568,007.20x = 256,999,519,501.44
  5. Step 5: Solve for x
    x = 256,999,519,501.44/568,007.20
  6. Step 6: Final answer
    x = 452,458.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.