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Finding the Fourth Proportional to 446,706.06, 670,157.91 and 147,174.54

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Solution

The fourth proportional to 446,706.06, 670,157.91 and 147,174.54 is: 220,794.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,706.06 : 670,157.91 = 147,174.54 : x
  2. Step 2: Convert to fraction form
    446,706.06/670,157.91 = 147,174.54/x
  3. Step 3: Cross multiply
    446,706.06x = 670,157.91 × 147,174.54
  4. Step 4: Simplify right side
    446,706.06x = 98,630,182,131.61
  5. Step 5: Solve for x
    x = 98,630,182,131.61/446,706.06
  6. Step 6: Final answer
    x = 220,794.37

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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.