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Finding the Fourth Proportional to 565,939.44, 848,939.40 and 145,218.96

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Solution

The fourth proportional to 565,939.44, 848,939.40 and 145,218.96 is: 217,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,939.44 : 848,939.40 = 145,218.96 : x
  2. Step 2: Convert to fraction form
    565,939.44/848,939.40 = 145,218.96/x
  3. Step 3: Cross multiply
    565,939.44x = 848,939.40 × 145,218.96
  4. Step 4: Simplify right side
    565,939.44x = 123,282,096,771.02
  5. Step 5: Solve for x
    x = 123,282,096,771.02/565,939.44
  6. Step 6: Final answer
    x = 217,836.20

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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.