Home / 328,524.20-492,786.30-295,281.80

Finding the Fourth Proportional to 328,524.20, 492,786.30 and 295,281.80

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Solution

The fourth proportional to 328,524.20, 492,786.30 and 295,281.80 is: 442,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,524.20 : 492,786.30 = 295,281.80 : x
  2. Step 2: Convert to fraction form
    328,524.20/492,786.30 = 295,281.80/x
  3. Step 3: Cross multiply
    328,524.20x = 492,786.30 × 295,281.80
  4. Step 4: Simplify right side
    328,524.20x = 145,510,825,679.34
  5. Step 5: Solve for x
    x = 145,510,825,679.34/328,524.20
  6. Step 6: Final answer
    x = 442,922.70

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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.