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Finding the Fourth Proportional to 344,668.55, 475,448.46 and 206,811.81

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Solution

The fourth proportional to 344,668.55, 475,448.46 and 206,811.81 is: 285,283.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,668.55 : 475,448.46 = 206,811.81 : x
  2. Step 2: Convert to fraction form
    344,668.55/475,448.46 = 206,811.81/x
  3. Step 3: Cross multiply
    344,668.55x = 475,448.46 × 206,811.81
  4. Step 4: Simplify right side
    344,668.55x = 98,328,356,574.31
  5. Step 5: Solve for x
    x = 98,328,356,574.31/344,668.55
  6. Step 6: Final answer
    x = 285,283.81

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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.