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Finding the Fourth Proportional to 489,228.70, 733,843.05 and 489,228.70

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Solution

The fourth proportional to 489,228.70, 733,843.05 and 489,228.70 is: 733,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,228.70 : 733,843.05 = 489,228.70 : x
  2. Step 2: Convert to fraction form
    489,228.70/733,843.05 = 489,228.70/x
  3. Step 3: Cross multiply
    489,228.70x = 733,843.05 × 489,228.70
  4. Step 4: Simplify right side
    489,228.70x = 359,017,081,355.54
  5. Step 5: Solve for x
    x = 359,017,081,355.54/489,228.70
  6. Step 6: Final answer
    x = 733,843.05

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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.