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Finding the Fourth Proportional to 260,198.64, 358,945.56 and 179,708.40

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Solution

The fourth proportional to 260,198.64, 358,945.56 and 179,708.40 is: 247,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,198.64 : 358,945.56 = 179,708.40 : x
  2. Step 2: Convert to fraction form
    260,198.64/358,945.56 = 179,708.40/x
  3. Step 3: Cross multiply
    260,198.64x = 358,945.56 × 179,708.40
  4. Step 4: Simplify right side
    260,198.64x = 64,505,532,274.70
  5. Step 5: Solve for x
    x = 64,505,532,274.70/260,198.64
  6. Step 6: Final answer
    x = 247,908.80

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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.