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Finding the Fourth Proportional to 361,771.95, 499,246.64 and 200,641.89

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Solution

The fourth proportional to 361,771.95, 499,246.64 and 200,641.89 is: 276,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,771.95 : 499,246.64 = 200,641.89 : x
  2. Step 2: Convert to fraction form
    361,771.95/499,246.64 = 200,641.89/x
  3. Step 3: Cross multiply
    361,771.95x = 499,246.64 × 200,641.89
  4. Step 4: Simplify right side
    361,771.95x = 100,169,788,422.54
  5. Step 5: Solve for x
    x = 100,169,788,422.54/361,771.95
  6. Step 6: Final answer
    x = 276,886.55

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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.