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Finding the Fourth Proportional to 1,822,839.60, 2,734,000.20 and 624,817.20

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Solution

The fourth proportional to 1,822,839.60, 2,734,000.20 and 624,817.20 is: 937,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822,839.60 : 2,734,000.20 = 624,817.20 : x
  2. Step 2: Convert to fraction form
    1,822,839.60/2,734,000.20 = 624,817.20/x
  3. Step 3: Cross multiply
    1,822,839.60x = 2,734,000.20 × 624,817.20
  4. Step 4: Simplify right side
    1,822,839.60x = 1,708,250,349,763.44
  5. Step 5: Solve for x
    x = 1,708,250,349,763.44/1,822,839.60
  6. Step 6: Final answer
    x = 937,136.95

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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.