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Finding the Fourth Proportional to 565,811.16, 848,892.04 and 196,128.20

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Solution

The fourth proportional to 565,811.16, 848,892.04 and 196,128.20 is: 294,253.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,811.16 : 848,892.04 = 196,128.20 : x
  2. Step 2: Convert to fraction form
    565,811.16/848,892.04 = 196,128.20/x
  3. Step 3: Cross multiply
    565,811.16x = 848,892.04 × 196,128.20
  4. Step 4: Simplify right side
    565,811.16x = 166,491,667,799.53
  5. Step 5: Solve for x
    x = 166,491,667,799.53/565,811.16
  6. Step 6: Final answer
    x = 294,253.06

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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.