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Finding the Fourth Proportional to 325,846.70, 488,770.05 and 302,227.10

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Solution

The fourth proportional to 325,846.70, 488,770.05 and 302,227.10 is: 453,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,846.70 : 488,770.05 = 302,227.10 : x
  2. Step 2: Convert to fraction form
    325,846.70/488,770.05 = 302,227.10/x
  3. Step 3: Cross multiply
    325,846.70x = 488,770.05 × 302,227.10
  4. Step 4: Simplify right side
    325,846.70x = 147,719,554,778.36
  5. Step 5: Solve for x
    x = 147,719,554,778.36/325,846.70
  6. Step 6: Final answer
    x = 453,340.65

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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.