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Finding the Fourth Proportional to 366,986.51, 550,472.46 and 208,876.13

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Solution

The fourth proportional to 366,986.51, 550,472.46 and 208,876.13 is: 313,310.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,986.51 : 550,472.46 = 208,876.13 : x
  2. Step 2: Convert to fraction form
    366,986.51/550,472.46 = 208,876.13/x
  3. Step 3: Cross multiply
    366,986.51x = 550,472.46 × 208,876.13
  4. Step 4: Simplify right side
    366,986.51x = 114,980,554,364.02
  5. Step 5: Solve for x
    x = 114,980,554,364.02/366,986.51
  6. Step 6: Final answer
    x = 313,310.03

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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.