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Finding the Fourth Proportional to 303,231.70, 454,847.52 and 170,205.40

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Solution

The fourth proportional to 303,231.70, 454,847.52 and 170,205.40 is: 255,308.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,231.70 : 454,847.52 = 170,205.40 : x
  2. Step 2: Convert to fraction form
    303,231.70/454,847.52 = 170,205.40/x
  3. Step 3: Cross multiply
    303,231.70x = 454,847.52 × 170,205.40
  4. Step 4: Simplify right side
    303,231.70x = 77,417,504,080.61
  5. Step 5: Solve for x
    x = 77,417,504,080.61/303,231.70
  6. Step 6: Final answer
    x = 255,308.08

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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.