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Finding the Fourth Proportional to 376,916.80, 564,912.01 and 174,238.75

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Solution

The fourth proportional to 376,916.80, 564,912.01 and 174,238.75 is: 261,144.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,916.80 : 564,912.01 = 174,238.75 : x
  2. Step 2: Convert to fraction form
    376,916.80/564,912.01 = 174,238.75/x
  3. Step 3: Cross multiply
    376,916.80x = 564,912.01 × 174,238.75
  4. Step 4: Simplify right side
    376,916.80x = 98,429,560,634.51
  5. Step 5: Solve for x
    x = 98,429,560,634.51/376,916.80
  6. Step 6: Final answer
    x = 261,144.00

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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.