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Finding the Fourth Proportional to 489,056.32, 733,586.91 and 222,630.45

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Solution

The fourth proportional to 489,056.32, 733,586.91 and 222,630.45 is: 333,946.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,056.32 : 733,586.91 = 222,630.45 : x
  2. Step 2: Convert to fraction form
    489,056.32/733,586.91 = 222,630.45/x
  3. Step 3: Cross multiply
    489,056.32x = 733,586.91 × 222,630.45
  4. Step 4: Simplify right side
    489,056.32x = 163,318,783,887.41
  5. Step 5: Solve for x
    x = 163,318,783,887.41/489,056.32
  6. Step 6: Final answer
    x = 333,946.78

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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.