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Finding the Fourth Proportional to 270,988.82, 373,813.90 and 213,416.04

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Solution

The fourth proportional to 270,988.82, 373,813.90 and 213,416.04 is: 294,395.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,988.82 : 373,813.90 = 213,416.04 : x
  2. Step 2: Convert to fraction form
    270,988.82/373,813.90 = 213,416.04/x
  3. Step 3: Cross multiply
    270,988.82x = 373,813.90 × 213,416.04
  4. Step 4: Simplify right side
    270,988.82x = 79,777,882,234.96
  5. Step 5: Solve for x
    x = 79,777,882,234.96/270,988.82
  6. Step 6: Final answer
    x = 294,395.47

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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.