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Finding the Fourth Proportional to 569,217.10, 854,809.80 and 303,496.60

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Solution

The fourth proportional to 569,217.10, 854,809.80 and 303,496.60 is: 455,769.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,217.10 : 854,809.80 = 303,496.60 : x
  2. Step 2: Convert to fraction form
    569,217.10/854,809.80 = 303,496.60/x
  3. Step 3: Cross multiply
    569,217.10x = 854,809.80 × 303,496.60
  4. Step 4: Simplify right side
    569,217.10x = 259,431,867,946.68
  5. Step 5: Solve for x
    x = 259,431,867,946.68/569,217.10
  6. Step 6: Final answer
    x = 455,769.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.