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Finding the Fourth Proportional to 295,610.40, 443,415.60 and 118,144.80

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Solution

The fourth proportional to 295,610.40, 443,415.60 and 118,144.80 is: 177,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,610.40 : 443,415.60 = 118,144.80 : x
  2. Step 2: Convert to fraction form
    295,610.40/443,415.60 = 118,144.80/x
  3. Step 3: Cross multiply
    295,610.40x = 443,415.60 × 118,144.80
  4. Step 4: Simplify right side
    295,610.40x = 52,387,247,378.88
  5. Step 5: Solve for x
    x = 52,387,247,378.88/295,610.40
  6. Step 6: Final answer
    x = 177,217.20

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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.