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Finding the Fourth Proportional to 299,452.50, 413,245.08 and 163,486.50

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Solution

The fourth proportional to 299,452.50, 413,245.08 and 163,486.50 is: 225,611.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,452.50 : 413,245.08 = 163,486.50 : x
  2. Step 2: Convert to fraction form
    299,452.50/413,245.08 = 163,486.50/x
  3. Step 3: Cross multiply
    299,452.50x = 413,245.08 × 163,486.50
  4. Step 4: Simplify right side
    299,452.50x = 67,559,991,771.42
  5. Step 5: Solve for x
    x = 67,559,991,771.42/299,452.50
  6. Step 6: Final answer
    x = 225,611.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.