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Finding the Fourth Proportional to 329,075.94, 493,613.91 and 79,757.94

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Solution

The fourth proportional to 329,075.94, 493,613.91 and 79,757.94 is: 119,636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,075.94 : 493,613.91 = 79,757.94 : x
  2. Step 2: Convert to fraction form
    329,075.94/493,613.91 = 79,757.94/x
  3. Step 3: Cross multiply
    329,075.94x = 493,613.91 × 79,757.94
  4. Step 4: Simplify right side
    329,075.94x = 39,369,628,616.95
  5. Step 5: Solve for x
    x = 39,369,628,616.95/329,075.94
  6. Step 6: Final answer
    x = 119,636.91

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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.