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Finding the Fourth Proportional to 361,784.07, 499,261.86 and 200,663.73

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Solution

The fourth proportional to 361,784.07, 499,261.86 and 200,663.73 is: 276,915.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,784.07 : 499,261.86 = 200,663.73 : x
  2. Step 2: Convert to fraction form
    361,784.07/499,261.86 = 200,663.73/x
  3. Step 3: Cross multiply
    361,784.07x = 499,261.86 × 200,663.73
  4. Step 4: Simplify right side
    361,784.07x = 100,183,747,074.34
  5. Step 5: Solve for x
    x = 100,183,747,074.34/361,784.07
  6. Step 6: Final answer
    x = 276,915.86

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1.5x scale

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.