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Finding the Fourth Proportional to 491,093.40, 736,251.30 and 269,477.40

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Solution

The fourth proportional to 491,093.40, 736,251.30 and 269,477.40 is: 404,002.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,093.40 : 736,251.30 = 269,477.40 : x
  2. Step 2: Convert to fraction form
    491,093.40/736,251.30 = 269,477.40/x
  3. Step 3: Cross multiply
    491,093.40x = 736,251.30 × 269,477.40
  4. Step 4: Simplify right side
    491,093.40x = 198,403,086,070.62
  5. Step 5: Solve for x
    x = 198,403,086,070.62/491,093.40
  6. Step 6: Final answer
    x = 404,002.75

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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.