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Finding the Fourth Proportional to 489,325.36, 733,952.40 and 219,537.04

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Solution

The fourth proportional to 489,325.36, 733,952.40 and 219,537.04 is: 329,289.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,325.36 : 733,952.40 = 219,537.04 : x
  2. Step 2: Convert to fraction form
    489,325.36/733,952.40 = 219,537.04/x
  3. Step 3: Cross multiply
    489,325.36x = 733,952.40 × 219,537.04
  4. Step 4: Simplify right side
    489,325.36x = 161,129,737,396.90
  5. Step 5: Solve for x
    x = 161,129,737,396.90/489,325.36
  6. Step 6: Final answer
    x = 329,289.57

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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.