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Finding the Fourth Proportional to 322,075.08, 483,367.68 and 170,379.72

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Solution

The fourth proportional to 322,075.08, 483,367.68 and 170,379.72 is: 255,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,075.08 : 483,367.68 = 170,379.72 : x
  2. Step 2: Convert to fraction form
    322,075.08/483,367.68 = 170,379.72/x
  3. Step 3: Cross multiply
    322,075.08x = 483,367.68 × 170,379.72
  4. Step 4: Simplify right side
    322,075.08x = 82,356,049,975.45
  5. Step 5: Solve for x
    x = 82,356,049,975.45/322,075.08
  6. Step 6: Final answer
    x = 255,704.51

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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.