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Finding the Fourth Proportional to 351,833.56, 527,899.78 and 174,343.92

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Solution

The fourth proportional to 351,833.56, 527,899.78 and 174,343.92 is: 261,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,833.56 : 527,899.78 = 174,343.92 : x
  2. Step 2: Convert to fraction form
    351,833.56/527,899.78 = 174,343.92/x
  3. Step 3: Cross multiply
    351,833.56x = 527,899.78 × 174,343.92
  4. Step 4: Simplify right side
    351,833.56x = 92,036,117,012.34
  5. Step 5: Solve for x
    x = 92,036,117,012.34/351,833.56
  6. Step 6: Final answer
    x = 261,589.93

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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.