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Finding the Fourth Proportional to 492,254.55, 738,381.83 and 489,144.15

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Solution

The fourth proportional to 492,254.55, 738,381.83 and 489,144.15 is: 733,716.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,254.55 : 738,381.83 = 489,144.15 : x
  2. Step 2: Convert to fraction form
    492,254.55/738,381.83 = 489,144.15/x
  3. Step 3: Cross multiply
    492,254.55x = 738,381.83 × 489,144.15
  4. Step 4: Simplify right side
    492,254.55x = 361,175,150,165.07
  5. Step 5: Solve for x
    x = 361,175,150,165.07/492,254.55
  6. Step 6: Final answer
    x = 733,716.23

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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.