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Finding the Fourth Proportional to 558,524.88, 770,767.56 and 303,877.80

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Solution

The fourth proportional to 558,524.88, 770,767.56 and 303,877.80 is: 419,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,524.88 : 770,767.56 = 303,877.80 : x
  2. Step 2: Convert to fraction form
    558,524.88/770,767.56 = 303,877.80/x
  3. Step 3: Cross multiply
    558,524.88x = 770,767.56 × 303,877.80
  4. Step 4: Simplify right side
    558,524.88x = 234,219,150,444.17
  5. Step 5: Solve for x
    x = 234,219,150,444.17/558,524.88
  6. Step 6: Final answer
    x = 419,353.12

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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.