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Finding the Fourth Proportional to 236,798.80, 353,470.79 and 206,904.94

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Solution

The fourth proportional to 236,798.80, 353,470.79 and 206,904.94 is: 308,848.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,798.80 : 353,470.79 = 206,904.94 : x
  2. Step 2: Convert to fraction form
    236,798.80/353,470.79 = 206,904.94/x
  3. Step 3: Cross multiply
    236,798.80x = 353,470.79 × 206,904.94
  4. Step 4: Simplify right side
    236,798.80x = 73,134,852,596.70
  5. Step 5: Solve for x
    x = 73,134,852,596.70/236,798.80
  6. Step 6: Final answer
    x = 308,848.07

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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.