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Finding the Fourth Proportional to 467,912.40, 701,998.20 and 310,448.40

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Solution

The fourth proportional to 467,912.40, 701,998.20 and 310,448.40 is: 465,758.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,912.40 : 701,998.20 = 310,448.40 : x
  2. Step 2: Convert to fraction form
    467,912.40/701,998.20 = 310,448.40/x
  3. Step 3: Cross multiply
    467,912.40x = 701,998.20 × 310,448.40
  4. Step 4: Simplify right side
    467,912.40x = 217,934,217,992.88
  5. Step 5: Solve for x
    x = 217,934,217,992.88/467,912.40
  6. Step 6: Final answer
    x = 465,758.59

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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.