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Finding the Fourth Proportional to 374,469.60, 561,777.30 and 161,237.10

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Solution

The fourth proportional to 374,469.60, 561,777.30 and 161,237.10 is: 241,887.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,469.60 : 561,777.30 = 161,237.10 : x
  2. Step 2: Convert to fraction form
    374,469.60/561,777.30 = 161,237.10/x
  3. Step 3: Cross multiply
    374,469.60x = 561,777.30 × 161,237.10
  4. Step 4: Simplify right side
    374,469.60x = 90,579,342,697.83
  5. Step 5: Solve for x
    x = 90,579,342,697.83/374,469.60
  6. Step 6: Final answer
    x = 241,887.04

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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.