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Finding the Fourth Proportional to 273,167.80, 409,848.90 and 263,447.80

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Solution

The fourth proportional to 273,167.80, 409,848.90 and 263,447.80 is: 395,265.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,167.80 : 409,848.90 = 263,447.80 : x
  2. Step 2: Convert to fraction form
    273,167.80/409,848.90 = 263,447.80/x
  3. Step 3: Cross multiply
    273,167.80x = 409,848.90 × 263,447.80
  4. Step 4: Simplify right side
    273,167.80x = 107,973,791,037.42
  5. Step 5: Solve for x
    x = 107,973,791,037.42/273,167.80
  6. Step 6: Final answer
    x = 395,265.44

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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.