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Finding the Fourth Proportional to 304,409.27, 456,771.41 and 220,859.05

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Solution

The fourth proportional to 304,409.27, 456,771.41 and 220,859.05 is: 331,402.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,409.27 : 456,771.41 = 220,859.05 : x
  2. Step 2: Convert to fraction form
    304,409.27/456,771.41 = 220,859.05/x
  3. Step 3: Cross multiply
    304,409.27x = 456,771.41 × 220,859.05
  4. Step 4: Simplify right side
    304,409.27x = 100,882,096,291.61
  5. Step 5: Solve for x
    x = 100,882,096,291.61/304,409.27
  6. Step 6: Final answer
    x = 331,402.84

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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.