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Finding the Fourth Proportional to 374,545.44, 561,871.46 and 121,744.64

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Solution

The fourth proportional to 374,545.44, 561,871.46 and 121,744.64 is: 182,634.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,545.44 : 561,871.46 = 121,744.64 : x
  2. Step 2: Convert to fraction form
    374,545.44/561,871.46 = 121,744.64/x
  3. Step 3: Cross multiply
    374,545.44x = 561,871.46 × 121,744.64
  4. Step 4: Simplify right side
    374,545.44x = 68,404,840,333.01
  5. Step 5: Solve for x
    x = 68,404,840,333.01/374,545.44
  6. Step 6: Final answer
    x = 182,634.29

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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.