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Finding the Fourth Proportional to 489,072.40, 733,608.60 and 223,351.90

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Solution

The fourth proportional to 489,072.40, 733,608.60 and 223,351.90 is: 335,027.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,072.40 : 733,608.60 = 223,351.90 : x
  2. Step 2: Convert to fraction form
    489,072.40/733,608.60 = 223,351.90/x
  3. Step 3: Cross multiply
    489,072.40x = 733,608.60 × 223,351.90
  4. Step 4: Simplify right side
    489,072.40x = 163,852,874,666.34
  5. Step 5: Solve for x
    x = 163,852,874,666.34/489,072.40
  6. Step 6: Final answer
    x = 335,027.85

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Similar ratio
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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.