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Finding the Fourth Proportional to 304,351.05, 456,394.33 and 144,472.80

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Solution

The fourth proportional to 304,351.05, 456,394.33 and 144,472.80 is: 216,646.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,351.05 : 456,394.33 = 144,472.80 : x
  2. Step 2: Convert to fraction form
    304,351.05/456,394.33 = 144,472.80/x
  3. Step 3: Cross multiply
    304,351.05x = 456,394.33 × 144,472.80
  4. Step 4: Simplify right side
    304,351.05x = 65,936,568,651.29
  5. Step 5: Solve for x
    x = 65,936,568,651.29/304,351.05
  6. Step 6: Final answer
    x = 216,646.43

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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.