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Finding the Fourth Proportional to 454,817.76, 682,456.68 and 303,118.35

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Solution

The fourth proportional to 454,817.76, 682,456.68 and 303,118.35 is: 454,830.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,817.76 : 682,456.68 = 303,118.35 : x
  2. Step 2: Convert to fraction form
    454,817.76/682,456.68 = 303,118.35/x
  3. Step 3: Cross multiply
    454,817.76x = 682,456.68 × 303,118.35
  4. Step 4: Simplify right side
    454,817.76x = 206,865,142,788.08
  5. Step 5: Solve for x
    x = 206,865,142,788.08/454,817.76
  6. Step 6: Final answer
    x = 454,830.84

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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.