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Finding the Fourth Proportional to 404,358.74, 606,434.27 and 119,982.01

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Solution

The fourth proportional to 404,358.74, 606,434.27 and 119,982.01 is: 179,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,358.74 : 606,434.27 = 119,982.01 : x
  2. Step 2: Convert to fraction form
    404,358.74/606,434.27 = 119,982.01/x
  3. Step 3: Cross multiply
    404,358.74x = 606,434.27 × 119,982.01
  4. Step 4: Simplify right side
    404,358.74x = 72,761,202,647.48
  5. Step 5: Solve for x
    x = 72,761,202,647.48/404,358.74
  6. Step 6: Final answer
    x = 179,942.20

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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.