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Finding the Fourth Proportional to 277,171.20, 415,951.20 and 177,573.60

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Solution

The fourth proportional to 277,171.20, 415,951.20 and 177,573.60 is: 266,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,171.20 : 415,951.20 = 177,573.60 : x
  2. Step 2: Convert to fraction form
    277,171.20/415,951.20 = 177,573.60/x
  3. Step 3: Cross multiply
    277,171.20x = 415,951.20 × 177,573.60
  4. Step 4: Simplify right side
    277,171.20x = 73,861,952,008.32
  5. Step 5: Solve for x
    x = 73,861,952,008.32/277,171.20
  6. Step 6: Final answer
    x = 266,484.95

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1.5x scale

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.