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Finding the Fourth Proportional to 533,626.40, 800,559 and 281,025.80

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Solution

The fourth proportional to 533,626.40, 800,559 and 281,025.80 is: 421,601.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,626.40 : 800,559 = 281,025.80 : x
  2. Step 2: Convert to fraction form
    533,626.40/800,559 = 281,025.80/x
  3. Step 3: Cross multiply
    533,626.40x = 800,559 × 281,025.80
  4. Step 4: Simplify right side
    533,626.40x = 224,977,733,422.20
  5. Step 5: Solve for x
    x = 224,977,733,422.20/533,626.40
  6. Step 6: Final answer
    x = 421,601.58

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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.