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Finding the Fourth Proportional to 389,800.44, 537,924.61 and 210,952.44

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Solution

The fourth proportional to 389,800.44, 537,924.61 and 210,952.44 is: 291,114.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,800.44 : 537,924.61 = 210,952.44 : x
  2. Step 2: Convert to fraction form
    389,800.44/537,924.61 = 210,952.44/x
  3. Step 3: Cross multiply
    389,800.44x = 537,924.61 × 210,952.44
  4. Step 4: Simplify right side
    389,800.44x = 113,476,509,015.55
  5. Step 5: Solve for x
    x = 113,476,509,015.55/389,800.44
  6. Step 6: Final answer
    x = 291,114.37

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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.