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Finding the Fourth Proportional to 339,017.94, 508,536.63 and 189,174.42

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Solution

The fourth proportional to 339,017.94, 508,536.63 and 189,174.42 is: 283,767.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,017.94 : 508,536.63 = 189,174.42 : x
  2. Step 2: Convert to fraction form
    339,017.94/508,536.63 = 189,174.42/x
  3. Step 3: Cross multiply
    339,017.94x = 508,536.63 × 189,174.42
  4. Step 4: Simplify right side
    339,017.94x = 96,202,122,029.00
  5. Step 5: Solve for x
    x = 96,202,122,029.00/339,017.94
  6. Step 6: Final answer
    x = 283,767.05

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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.