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Finding the Fourth Proportional to 311,316.20, 466,974.30 and 311,316.20

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Solution

The fourth proportional to 311,316.20, 466,974.30 and 311,316.20 is: 466,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,316.20 : 466,974.30 = 311,316.20 : x
  2. Step 2: Convert to fraction form
    311,316.20/466,974.30 = 311,316.20/x
  3. Step 3: Cross multiply
    311,316.20x = 466,974.30 × 311,316.20
  4. Step 4: Simplify right side
    311,316.20x = 145,376,664,573.66
  5. Step 5: Solve for x
    x = 145,376,664,573.66/311,316.20
  6. Step 6: Final answer
    x = 466,974.30

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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.