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Finding the Fourth Proportional to 379,075.60, 568,613.40 and 192,451.60

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Solution

The fourth proportional to 379,075.60, 568,613.40 and 192,451.60 is: 288,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,075.60 : 568,613.40 = 192,451.60 : x
  2. Step 2: Convert to fraction form
    379,075.60/568,613.40 = 192,451.60/x
  3. Step 3: Cross multiply
    379,075.60x = 568,613.40 × 192,451.60
  4. Step 4: Simplify right side
    379,075.60x = 109,430,558,611.44
  5. Step 5: Solve for x
    x = 109,430,558,611.44/379,075.60
  6. Step 6: Final answer
    x = 288,677.40

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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.