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Finding the Fourth Proportional to 565,867.80, 848,801.97 and 145,143.81

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Solution

The fourth proportional to 565,867.80, 848,801.97 and 145,143.81 is: 217,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,867.80 : 848,801.97 = 145,143.81 : x
  2. Step 2: Convert to fraction form
    565,867.80/848,801.97 = 145,143.81/x
  3. Step 3: Cross multiply
    565,867.80x = 848,801.97 × 145,143.81
  4. Step 4: Simplify right side
    565,867.80x = 123,198,351,861.31
  5. Step 5: Solve for x
    x = 123,198,351,861.31/565,867.80
  6. Step 6: Final answer
    x = 217,715.78

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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.