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Finding the Fourth Proportional to 376,611, 519,596.73 and 213,245.22

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Solution

The fourth proportional to 376,611, 519,596.73 and 213,245.22 is: 294,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,611 : 519,596.73 = 213,245.22 : x
  2. Step 2: Convert to fraction form
    376,611/519,596.73 = 213,245.22/x
  3. Step 3: Cross multiply
    376,611x = 519,596.73 × 213,245.22
  4. Step 4: Simplify right side
    376,611x = 110,801,519,000.13
  5. Step 5: Solve for x
    x = 110,801,519,000.13/376,611
  6. Step 6: Final answer
    x = 294,206.80

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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.