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Finding the Fourth Proportional to 444,105.60, 666,012.60 and 163,586.40

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Solution

The fourth proportional to 444,105.60, 666,012.60 and 163,586.40 is: 245,325.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,105.60 : 666,012.60 = 163,586.40 : x
  2. Step 2: Convert to fraction form
    444,105.60/666,012.60 = 163,586.40/x
  3. Step 3: Cross multiply
    444,105.60x = 666,012.60 × 163,586.40
  4. Step 4: Simplify right side
    444,105.60x = 108,950,603,588.64
  5. Step 5: Solve for x
    x = 108,950,603,588.64/444,105.60
  6. Step 6: Final answer
    x = 245,325.89

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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.