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Finding the Fourth Proportional to 446,717.06, 670,174.41 and 147,185.54

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Solution

The fourth proportional to 446,717.06, 670,174.41 and 147,185.54 is: 220,810.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,717.06 : 670,174.41 = 147,185.54 : x
  2. Step 2: Convert to fraction form
    446,717.06/670,174.41 = 147,185.54/x
  3. Step 3: Cross multiply
    446,717.06x = 670,174.41 × 147,185.54
  4. Step 4: Simplify right side
    446,717.06x = 98,639,982,430.03
  5. Step 5: Solve for x
    x = 98,639,982,430.03/446,717.06
  6. Step 6: Final answer
    x = 220,810.87

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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.