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Finding the Fourth Proportional to 525,900.62, 789,550.97 and 355,694.10

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Solution

The fourth proportional to 525,900.62, 789,550.97 and 355,694.10 is: 534,014.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,900.62 : 789,550.97 = 355,694.10 : x
  2. Step 2: Convert to fraction form
    525,900.62/789,550.97 = 355,694.10/x
  3. Step 3: Cross multiply
    525,900.62x = 789,550.97 × 355,694.10
  4. Step 4: Simplify right side
    525,900.62x = 280,838,619,899.81
  5. Step 5: Solve for x
    x = 280,838,619,899.81/525,900.62
  6. Step 6: Final answer
    x = 534,014.63

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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.