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Finding the Fourth Proportional to 366,843.40, 550,265.10 and 207,411.10

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Solution

The fourth proportional to 366,843.40, 550,265.10 and 207,411.10 is: 311,116.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,843.40 : 550,265.10 = 207,411.10 : x
  2. Step 2: Convert to fraction form
    366,843.40/550,265.10 = 207,411.10/x
  3. Step 3: Cross multiply
    366,843.40x = 550,265.10 × 207,411.10
  4. Step 4: Simplify right side
    366,843.40x = 114,131,089,682.61
  5. Step 5: Solve for x
    x = 114,131,089,682.61/366,843.40
  6. Step 6: Final answer
    x = 311,116.65

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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.