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Finding the Fourth Proportional to 345,885.68, 518,986.15 and 177,524.22

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Solution

The fourth proportional to 345,885.68, 518,986.15 and 177,524.22 is: 266,367.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,885.68 : 518,986.15 = 177,524.22 : x
  2. Step 2: Convert to fraction form
    345,885.68/518,986.15 = 177,524.22/x
  3. Step 3: Cross multiply
    345,885.68x = 518,986.15 × 177,524.22
  4. Step 4: Simplify right side
    345,885.68x = 92,132,611,469.55
  5. Step 5: Solve for x
    x = 92,132,611,469.55/345,885.68
  6. Step 6: Final answer
    x = 266,367.23

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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.