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Finding the Fourth Proportional to 302,954.40, 454,431.60 and 197,200.80

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Solution

The fourth proportional to 302,954.40, 454,431.60 and 197,200.80 is: 295,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,954.40 : 454,431.60 = 197,200.80 : x
  2. Step 2: Convert to fraction form
    302,954.40/454,431.60 = 197,200.80/x
  3. Step 3: Cross multiply
    302,954.40x = 454,431.60 × 197,200.80
  4. Step 4: Simplify right side
    302,954.40x = 89,614,275,065.28
  5. Step 5: Solve for x
    x = 89,614,275,065.28/302,954.40
  6. Step 6: Final answer
    x = 295,801.20

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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.