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Finding the Fourth Proportional to 311,556.34, 467,334.33 and 74,898.96

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Solution

The fourth proportional to 311,556.34, 467,334.33 and 74,898.96 is: 112,348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,556.34 : 467,334.33 = 74,898.96 : x
  2. Step 2: Convert to fraction form
    311,556.34/467,334.33 = 74,898.96/x
  3. Step 3: Cross multiply
    311,556.34x = 467,334.33 × 74,898.96
  4. Step 4: Simplify right side
    311,556.34x = 35,002,855,289.30
  5. Step 5: Solve for x
    x = 35,002,855,289.30/311,556.34
  6. Step 6: Final answer
    x = 112,348.40

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1.5x scale

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.