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Finding the Fourth Proportional to 452,452.40, 678,246.60 and 168,066.80

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Solution

The fourth proportional to 452,452.40, 678,246.60 and 168,066.80 is: 251,939.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,452.40 : 678,246.60 = 168,066.80 : x
  2. Step 2: Convert to fraction form
    452,452.40/678,246.60 = 168,066.80/x
  3. Step 3: Cross multiply
    452,452.40x = 678,246.60 × 168,066.80
  4. Step 4: Simplify right side
    452,452.40x = 113,990,735,672.88
  5. Step 5: Solve for x
    x = 113,990,735,672.88/452,452.40
  6. Step 6: Final answer
    x = 251,939.73

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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.