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Finding the Fourth Proportional to 295,708.80, 443,563.20 and 263,049.60

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Solution

The fourth proportional to 295,708.80, 443,563.20 and 263,049.60 is: 394,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,708.80 : 443,563.20 = 263,049.60 : x
  2. Step 2: Convert to fraction form
    295,708.80/443,563.20 = 263,049.60/x
  3. Step 3: Cross multiply
    295,708.80x = 443,563.20 × 263,049.60
  4. Step 4: Simplify right side
    295,708.80x = 116,679,122,334.72
  5. Step 5: Solve for x
    x = 116,679,122,334.72/295,708.80
  6. Step 6: Final answer
    x = 394,574.40

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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.