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Finding the Fourth Proportional to 541,076.74, 811,606.90 and 186,093.83

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Solution

The fourth proportional to 541,076.74, 811,606.90 and 186,093.83 is: 279,137.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,076.74 : 811,606.90 = 186,093.83 : x
  2. Step 2: Convert to fraction form
    541,076.74/811,606.90 = 186,093.83/x
  3. Step 3: Cross multiply
    541,076.74x = 811,606.90 × 186,093.83
  4. Step 4: Simplify right side
    541,076.74x = 151,035,036,475.43
  5. Step 5: Solve for x
    x = 151,035,036,475.43/541,076.74
  6. Step 6: Final answer
    x = 279,137.92

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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.