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Finding the Fourth Proportional to 374,847.90, 562,271.87 and 108,608.59

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Solution

The fourth proportional to 374,847.90, 562,271.87 and 108,608.59 is: 162,912.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,847.90 : 562,271.87 = 108,608.59 : x
  2. Step 2: Convert to fraction form
    374,847.90/562,271.87 = 108,608.59/x
  3. Step 3: Cross multiply
    374,847.90x = 562,271.87 × 108,608.59
  4. Step 4: Simplify right side
    374,847.90x = 61,067,554,997.36
  5. Step 5: Solve for x
    x = 61,067,554,997.36/374,847.90
  6. Step 6: Final answer
    x = 162,912.89

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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.