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Finding the Fourth Proportional to 525,896.24, 789,544.41 and 355,689.73

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Solution

The fourth proportional to 525,896.24, 789,544.41 and 355,689.73 is: 534,008.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,896.24 : 789,544.41 = 355,689.73 : x
  2. Step 2: Convert to fraction form
    525,896.24/789,544.41 = 355,689.73/x
  3. Step 3: Cross multiply
    525,896.24x = 789,544.41 × 355,689.73
  4. Step 4: Simplify right side
    525,896.24x = 280,832,832,289.74
  5. Step 5: Solve for x
    x = 280,832,832,289.74/525,896.24
  6. Step 6: Final answer
    x = 534,008.06

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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.