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Finding the Fourth Proportional to 231,741.80, 347,288.70 and 184,437.80

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Solution

The fourth proportional to 231,741.80, 347,288.70 and 184,437.80 is: 276,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,741.80 : 347,288.70 = 184,437.80 : x
  2. Step 2: Convert to fraction form
    231,741.80/347,288.70 = 184,437.80/x
  3. Step 3: Cross multiply
    231,741.80x = 347,288.70 × 184,437.80
  4. Step 4: Simplify right side
    231,741.80x = 64,053,163,792.86
  5. Step 5: Solve for x
    x = 64,053,163,792.86/231,741.80
  6. Step 6: Final answer
    x = 276,398.84

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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.