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Finding the Fourth Proportional to 304,882.80, 457,324.20 and 262,892.40

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Solution

The fourth proportional to 304,882.80, 457,324.20 and 262,892.40 is: 394,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,882.80 : 457,324.20 = 262,892.40 : x
  2. Step 2: Convert to fraction form
    304,882.80/457,324.20 = 262,892.40/x
  3. Step 3: Cross multiply
    304,882.80x = 457,324.20 × 262,892.40
  4. Step 4: Simplify right side
    304,882.80x = 120,227,056,516.08
  5. Step 5: Solve for x
    x = 120,227,056,516.08/304,882.80
  6. Step 6: Final answer
    x = 394,338.60

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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.