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Finding the Fourth Proportional to 236,801.80, 353,475.25 and 206,907.94

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Solution

The fourth proportional to 236,801.80, 353,475.25 and 206,907.94 is: 308,852.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,801.80 : 353,475.25 = 206,907.94 : x
  2. Step 2: Convert to fraction form
    236,801.80/353,475.25 = 206,907.94/x
  3. Step 3: Cross multiply
    236,801.80x = 353,475.25 × 206,907.94
  4. Step 4: Simplify right side
    236,801.80x = 73,136,835,818.49
  5. Step 5: Solve for x
    x = 73,136,835,818.49/236,801.80
  6. Step 6: Final answer
    x = 308,852.53

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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.