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Finding the Fourth Proportional to 572,711.77, 789,694.56 and 365,707.98

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Solution

The fourth proportional to 572,711.77, 789,694.56 and 365,707.98 is: 504,263.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,711.77 : 789,694.56 = 365,707.98 : x
  2. Step 2: Convert to fraction form
    572,711.77/789,694.56 = 365,707.98/x
  3. Step 3: Cross multiply
    572,711.77x = 789,694.56 × 365,707.98
  4. Step 4: Simplify right side
    572,711.77x = 288,797,600,526.05
  5. Step 5: Solve for x
    x = 288,797,600,526.05/572,711.77
  6. Step 6: Final answer
    x = 504,263.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.