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Finding the Fourth Proportional to 416,770.41, 575,139.99 and 225,782.44

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Solution

The fourth proportional to 416,770.41, 575,139.99 and 225,782.44 is: 311,578.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,770.41 : 575,139.99 = 225,782.44 : x
  2. Step 2: Convert to fraction form
    416,770.41/575,139.99 = 225,782.44/x
  3. Step 3: Cross multiply
    416,770.41x = 575,139.99 × 225,782.44
  4. Step 4: Simplify right side
    416,770.41x = 129,856,509,692.61
  5. Step 5: Solve for x
    x = 129,856,509,692.61/416,770.41
  6. Step 6: Final answer
    x = 311,578.04

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1.5x scale

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.