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Finding the Fourth Proportional to 366,986.18, 550,479.26 and 366,986.18

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Solution

The fourth proportional to 366,986.18, 550,479.26 and 366,986.18 is: 550,479.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,986.18 : 550,479.26 = 366,986.18 : x
  2. Step 2: Convert to fraction form
    366,986.18/550,479.26 = 366,986.18/x
  3. Step 3: Cross multiply
    366,986.18x = 550,479.26 × 366,986.18
  4. Step 4: Simplify right side
    366,986.18x = 202,018,278,961.70
  5. Step 5: Solve for x
    x = 202,018,278,961.70/366,986.18
  6. Step 6: Final answer
    x = 550,479.26

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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.