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Finding the Fourth Proportional to 236,801.57, 353,474.89 and 206,907.71

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Solution

The fourth proportional to 236,801.57, 353,474.89 and 206,907.71 is: 308,852.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,801.57 : 353,474.89 = 206,907.71 : x
  2. Step 2: Convert to fraction form
    236,801.57/353,474.89 = 206,907.71/x
  3. Step 3: Cross multiply
    236,801.57x = 353,474.89 × 206,907.71
  4. Step 4: Simplify right side
    236,801.57x = 73,136,677,747.76
  5. Step 5: Solve for x
    x = 73,136,677,747.76/236,801.57
  6. Step 6: Final answer
    x = 308,852.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.