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Finding the Fourth Proportional to 311,538.60, 466,651.80 and 311,538.60

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Solution

The fourth proportional to 311,538.60, 466,651.80 and 311,538.60 is: 466,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,538.60 : 466,651.80 = 311,538.60 : x
  2. Step 2: Convert to fraction form
    311,538.60/466,651.80 = 311,538.60/x
  3. Step 3: Cross multiply
    311,538.60x = 466,651.80 × 311,538.60
  4. Step 4: Simplify right side
    311,538.60x = 145,380,048,459.48
  5. Step 5: Solve for x
    x = 145,380,048,459.48/311,538.60
  6. Step 6: Final answer
    x = 466,651.80

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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.