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Finding the Fourth Proportional to 341,730.89, 471,602.95 and 196,536.78

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Solution

The fourth proportional to 341,730.89, 471,602.95 and 196,536.78 is: 271,228.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,730.89 : 471,602.95 = 196,536.78 : x
  2. Step 2: Convert to fraction form
    341,730.89/471,602.95 = 196,536.78/x
  3. Step 3: Cross multiply
    341,730.89x = 471,602.95 × 196,536.78
  4. Step 4: Simplify right side
    341,730.89x = 92,687,325,231.50
  5. Step 5: Solve for x
    x = 92,687,325,231.50/341,730.89
  6. Step 6: Final answer
    x = 271,228.99

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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.