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Finding the Fourth Proportional to 326,103.60, 488,766.60 and 168,250.80

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Solution

The fourth proportional to 326,103.60, 488,766.60 and 168,250.80 is: 252,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,103.60 : 488,766.60 = 168,250.80 : x
  2. Step 2: Convert to fraction form
    326,103.60/488,766.60 = 168,250.80/x
  3. Step 3: Cross multiply
    326,103.60x = 488,766.60 × 168,250.80
  4. Step 4: Simplify right side
    326,103.60x = 82,235,371,463.28
  5. Step 5: Solve for x
    x = 82,235,371,463.28/326,103.60
  6. Step 6: Final answer
    x = 252,175.60

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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.