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Finding the Fourth Proportional to 366,961.67, 550,480.30 and 127,075.11

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Solution

The fourth proportional to 366,961.67, 550,480.30 and 127,075.11 is: 190,625.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,961.67 : 550,480.30 = 127,075.11 : x
  2. Step 2: Convert to fraction form
    366,961.67/550,480.30 = 127,075.11/x
  3. Step 3: Cross multiply
    366,961.67x = 550,480.30 × 127,075.11
  4. Step 4: Simplify right side
    366,961.67x = 69,952,344,039.96
  5. Step 5: Solve for x
    x = 69,952,344,039.96/366,961.67
  6. Step 6: Final answer
    x = 190,625.75

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1.5x scale

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.