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Finding the Fourth Proportional to 241,566.80, 361,912.80 and 206,574.80

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Solution

The fourth proportional to 241,566.80, 361,912.80 and 206,574.80 is: 309,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,566.80 : 361,912.80 = 206,574.80 : x
  2. Step 2: Convert to fraction form
    241,566.80/361,912.80 = 206,574.80/x
  3. Step 3: Cross multiply
    241,566.80x = 361,912.80 × 206,574.80
  4. Step 4: Simplify right side
    241,566.80x = 74,762,064,277.44
  5. Step 5: Solve for x
    x = 74,762,064,277.44/241,566.80
  6. Step 6: Final answer
    x = 309,488.16

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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.