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Finding the Fourth Proportional to 412,245.58, 618,707.49 and 175,855.18

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Solution

The fourth proportional to 412,245.58, 618,707.49 and 175,855.18 is: 263,927.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,245.58 : 618,707.49 = 175,855.18 : x
  2. Step 2: Convert to fraction form
    412,245.58/618,707.49 = 175,855.18/x
  3. Step 3: Cross multiply
    412,245.58x = 618,707.49 × 175,855.18
  4. Step 4: Simplify right side
    412,245.58x = 108,802,917,021.30
  5. Step 5: Solve for x
    x = 108,802,917,021.30/412,245.58
  6. Step 6: Final answer
    x = 263,927.43

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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.