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Finding the Fourth Proportional to 329,075.44, 493,613.16 and 79,757.44

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Solution

The fourth proportional to 329,075.44, 493,613.16 and 79,757.44 is: 119,636.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,075.44 : 493,613.16 = 79,757.44 : x
  2. Step 2: Convert to fraction form
    329,075.44/493,613.16 = 79,757.44/x
  3. Step 3: Cross multiply
    329,075.44x = 493,613.16 × 79,757.44
  4. Step 4: Simplify right side
    329,075.44x = 39,369,321,991.91
  5. Step 5: Solve for x
    x = 39,369,321,991.91/329,075.44
  6. Step 6: Final answer
    x = 119,636.16

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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.