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Finding the Fourth Proportional to 491,460.63, 737,191.25 and 136,474.68

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Solution

The fourth proportional to 491,460.63, 737,191.25 and 136,474.68 is: 204,712.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,460.63 : 737,191.25 = 136,474.68 : x
  2. Step 2: Convert to fraction form
    491,460.63/737,191.25 = 136,474.68/x
  3. Step 3: Cross multiply
    491,460.63x = 737,191.25 × 136,474.68
  4. Step 4: Simplify right side
    491,460.63x = 100,607,942,536.42
  5. Step 5: Solve for x
    x = 100,607,942,536.42/491,460.63
  6. Step 6: Final answer
    x = 204,712.11

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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.