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Finding the Fourth Proportional to 424,786.73, 637,179.29 and 125,477.50

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Solution

The fourth proportional to 424,786.73, 637,179.29 and 125,477.50 is: 188,216.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,786.73 : 637,179.29 = 125,477.50 : x
  2. Step 2: Convert to fraction form
    424,786.73/637,179.29 = 125,477.50/x
  3. Step 3: Cross multiply
    424,786.73x = 637,179.29 × 125,477.50
  4. Step 4: Simplify right side
    424,786.73x = 79,951,664,360.98
  5. Step 5: Solve for x
    x = 79,951,664,360.98/424,786.73
  6. Step 6: Final answer
    x = 188,216.01

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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.