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Finding the Fourth Proportional to 599,571.45, 826,836.73 and 392,530.88

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Solution

The fourth proportional to 599,571.45, 826,836.73 and 392,530.88 is: 541,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,571.45 : 826,836.73 = 392,530.88 : x
  2. Step 2: Convert to fraction form
    599,571.45/826,836.73 = 392,530.88/x
  3. Step 3: Cross multiply
    599,571.45x = 826,836.73 × 392,530.88
  4. Step 4: Simplify right side
    599,571.45x = 324,558,950,328.99
  5. Step 5: Solve for x
    x = 324,558,950,328.99/599,571.45
  6. Step 6: Final answer
    x = 541,318.22

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1.5x scale

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.