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Finding the Fourth Proportional to 469,396.42, 704,182.28 and 213,246.98

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Solution

The fourth proportional to 469,396.42, 704,182.28 and 213,246.98 is: 319,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,396.42 : 704,182.28 = 213,246.98 : x
  2. Step 2: Convert to fraction form
    469,396.42/704,182.28 = 213,246.98/x
  3. Step 3: Cross multiply
    469,396.42x = 704,182.28 × 213,246.98
  4. Step 4: Simplify right side
    469,396.42x = 150,164,741,991.56
  5. Step 5: Solve for x
    x = 150,164,741,991.56/469,396.42
  6. Step 6: Final answer
    x = 319,910.28

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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.