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Finding the Fourth Proportional to 558,092.40, 770,158.44 and 303,450

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Solution

The fourth proportional to 558,092.40, 770,158.44 and 303,450 is: 418,756.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,092.40 : 770,158.44 = 303,450 : x
  2. Step 2: Convert to fraction form
    558,092.40/770,158.44 = 303,450/x
  3. Step 3: Cross multiply
    558,092.40x = 770,158.44 × 303,450
  4. Step 4: Simplify right side
    558,092.40x = 233,704,578,618.00
  5. Step 5: Solve for x
    x = 233,704,578,618.00/558,092.40
  6. Step 6: Final answer
    x = 418,756.07

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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.