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Finding the Fourth Proportional to 311,953.60, 467,055.60 and 303,205.60

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Solution

The fourth proportional to 311,953.60, 467,055.60 and 303,205.60 is: 453,958.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,953.60 : 467,055.60 = 303,205.60 : x
  2. Step 2: Convert to fraction form
    311,953.60/467,055.60 = 303,205.60/x
  3. Step 3: Cross multiply
    311,953.60x = 467,055.60 × 303,205.60
  4. Step 4: Simplify right side
    311,953.60x = 141,613,873,431.36
  5. Step 5: Solve for x
    x = 141,613,873,431.36/311,953.60
  6. Step 6: Final answer
    x = 453,958.13

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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.