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Finding the Fourth Proportional to 300,955.60, 451,951.80 and 160,987.60

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Solution

The fourth proportional to 300,955.60, 451,951.80 and 160,987.60 is: 241,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,955.60 : 451,951.80 = 160,987.60 : x
  2. Step 2: Convert to fraction form
    300,955.60/451,951.80 = 160,987.60/x
  3. Step 3: Cross multiply
    300,955.60x = 451,951.80 × 160,987.60
  4. Step 4: Simplify right side
    300,955.60x = 72,758,635,597.68
  5. Step 5: Solve for x
    x = 72,758,635,597.68/300,955.60
  6. Step 6: Final answer
    x = 241,758.70

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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.