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Finding the Fourth Proportional to 443,953.08, 612,641.58 and 271,936.44

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Solution

The fourth proportional to 443,953.08, 612,641.58 and 271,936.44 is: 375,263.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,953.08 : 612,641.58 = 271,936.44 : x
  2. Step 2: Convert to fraction form
    443,953.08/612,641.58 = 271,936.44/x
  3. Step 3: Cross multiply
    443,953.08x = 612,641.58 × 271,936.44
  4. Step 4: Simplify right side
    443,953.08x = 166,599,570,261.18
  5. Step 5: Solve for x
    x = 166,599,570,261.18/443,953.08
  6. Step 6: Final answer
    x = 375,263.91

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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.