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Finding the Fourth Proportional to 807,751.80, 1,114,692.30 and 445,176

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Solution

The fourth proportional to 807,751.80, 1,114,692.30 and 445,176 is: 614,340.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,751.80 : 1,114,692.30 = 445,176 : x
  2. Step 2: Convert to fraction form
    807,751.80/1,114,692.30 = 445,176/x
  3. Step 3: Cross multiply
    807,751.80x = 1,114,692.30 × 445,176
  4. Step 4: Simplify right side
    807,751.80x = 496,234,259,344.80
  5. Step 5: Solve for x
    x = 496,234,259,344.80/807,751.80
  6. Step 6: Final answer
    x = 614,340.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.