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Finding the Fourth Proportional to 489,099.50, 733,860.46 and 264,618.12

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Solution

The fourth proportional to 489,099.50, 733,860.46 and 264,618.12 is: 397,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,099.50 : 733,860.46 = 264,618.12 : x
  2. Step 2: Convert to fraction form
    489,099.50/733,860.46 = 264,618.12/x
  3. Step 3: Cross multiply
    489,099.50x = 733,860.46 × 264,618.12
  4. Step 4: Simplify right side
    489,099.50x = 194,192,775,267.54
  5. Step 5: Solve for x
    x = 194,192,775,267.54/489,099.50
  6. Step 6: Final answer
    x = 397,041.45

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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.