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Finding the Fourth Proportional to 488,683.60, 732,766.20 and 173,150.80

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Solution

The fourth proportional to 488,683.60, 732,766.20 and 173,150.80 is: 259,634.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,683.60 : 732,766.20 = 173,150.80 : x
  2. Step 2: Convert to fraction form
    488,683.60/732,766.20 = 173,150.80/x
  3. Step 3: Cross multiply
    488,683.60x = 732,766.20 × 173,150.80
  4. Step 4: Simplify right side
    488,683.60x = 126,879,053,742.96
  5. Step 5: Solve for x
    x = 126,879,053,742.96/488,683.60
  6. Step 6: Final answer
    x = 259,634.36

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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.