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Finding the Fourth Proportional to 366,940.03, 550,410.05 and 247,365.80

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Solution

The fourth proportional to 366,940.03, 550,410.05 and 247,365.80 is: 371,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,940.03 : 550,410.05 = 247,365.80 : x
  2. Step 2: Convert to fraction form
    366,940.03/550,410.05 = 247,365.80/x
  3. Step 3: Cross multiply
    366,940.03x = 550,410.05 × 247,365.80
  4. Step 4: Simplify right side
    366,940.03x = 136,152,622,346.29
  5. Step 5: Solve for x
    x = 136,152,622,346.29/366,940.03
  6. Step 6: Final answer
    x = 371,048.70

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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.