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Finding the Fourth Proportional to 339,266.85, 508,125.20 and 161,898.45

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Solution

The fourth proportional to 339,266.85, 508,125.20 and 161,898.45 is: 242,477.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,266.85 : 508,125.20 = 161,898.45 : x
  2. Step 2: Convert to fraction form
    339,266.85/508,125.20 = 161,898.45/x
  3. Step 3: Cross multiply
    339,266.85x = 508,125.20 × 161,898.45
  4. Step 4: Simplify right side
    339,266.85x = 82,264,681,476.45
  5. Step 5: Solve for x
    x = 82,264,681,476.45/339,266.85
  6. Step 6: Final answer
    x = 242,477.81

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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.