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Finding the Fourth Proportional to 489,216.70, 733,825.06 and 489,216.70

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Solution

The fourth proportional to 489,216.70, 733,825.06 and 489,216.70 is: 733,825.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,216.70 : 733,825.06 = 489,216.70 : x
  2. Step 2: Convert to fraction form
    489,216.70/733,825.06 = 489,216.70/x
  3. Step 3: Cross multiply
    489,216.70x = 733,825.06 × 489,216.70
  4. Step 4: Simplify right side
    489,216.70x = 358,999,474,230.50
  5. Step 5: Solve for x
    x = 358,999,474,230.50/489,216.70
  6. Step 6: Final answer
    x = 733,825.06

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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.