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Finding the Fourth Proportional to 366,961.92, 550,480.67 and 127,075.36

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Solution

The fourth proportional to 366,961.92, 550,480.67 and 127,075.36 is: 190,626.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,961.92 : 550,480.67 = 127,075.36 : x
  2. Step 2: Convert to fraction form
    366,961.92/550,480.67 = 127,075.36/x
  3. Step 3: Cross multiply
    366,961.92x = 550,480.67 × 127,075.36
  4. Step 4: Simplify right side
    366,961.92x = 69,952,529,313.29
  5. Step 5: Solve for x
    x = 69,952,529,313.29/366,961.92
  6. Step 6: Final answer
    x = 190,626.13

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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.