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Finding the Fourth Proportional to 558,249.84, 770,353.20 and 303,600.96

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Solution

The fourth proportional to 558,249.84, 770,353.20 and 303,600.96 is: 418,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,249.84 : 770,353.20 = 303,600.96 : x
  2. Step 2: Convert to fraction form
    558,249.84/770,353.20 = 303,600.96/x
  3. Step 3: Cross multiply
    558,249.84x = 770,353.20 × 303,600.96
  4. Step 4: Simplify right side
    558,249.84x = 233,879,971,059.07
  5. Step 5: Solve for x
    x = 233,879,971,059.07/558,249.84
  6. Step 6: Final answer
    x = 418,952.15

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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.