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Finding the Fourth Proportional to 361,011.43, 541,529.71 and 171,374.11

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Solution

The fourth proportional to 361,011.43, 541,529.71 and 171,374.11 is: 257,067.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,011.43 : 541,529.71 = 171,374.11 : x
  2. Step 2: Convert to fraction form
    361,011.43/541,529.71 = 171,374.11/x
  3. Step 3: Cross multiply
    361,011.43x = 541,529.71 × 171,374.11
  4. Step 4: Simplify right side
    361,011.43x = 92,804,170,307.55
  5. Step 5: Solve for x
    x = 92,804,170,307.55/361,011.43
  6. Step 6: Final answer
    x = 257,067.12

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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.