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Finding the Fourth Proportional to 585,198.75, 807,640.02 and 330,566.34

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Solution

The fourth proportional to 585,198.75, 807,640.02 and 330,566.34 is: 456,218.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,198.75 : 807,640.02 = 330,566.34 : x
  2. Step 2: Convert to fraction form
    585,198.75/807,640.02 = 330,566.34/x
  3. Step 3: Cross multiply
    585,198.75x = 807,640.02 × 330,566.34
  4. Step 4: Simplify right side
    585,198.75x = 266,978,605,448.93
  5. Step 5: Solve for x
    x = 266,978,605,448.93/585,198.75
  6. Step 6: Final answer
    x = 456,218.69

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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.