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Finding the Fourth Proportional to 541,142.24, 811,704.85 and 186,159.33

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Solution

The fourth proportional to 541,142.24, 811,704.85 and 186,159.33 is: 279,236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,142.24 : 811,704.85 = 186,159.33 : x
  2. Step 2: Convert to fraction form
    541,142.24/811,704.85 = 186,159.33/x
  3. Step 3: Cross multiply
    541,142.24x = 811,704.85 × 186,159.33
  4. Step 4: Simplify right side
    541,142.24x = 151,106,430,568.35
  5. Step 5: Solve for x
    x = 151,106,430,568.35/541,142.24
  6. Step 6: Final answer
    x = 279,236.07

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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.