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Finding the Fourth Proportional to 229,107.20, 343,369.20 and 204,029.60

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Solution

The fourth proportional to 229,107.20, 343,369.20 and 204,029.60 is: 305,784.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,107.20 : 343,369.20 = 204,029.60 : x
  2. Step 2: Convert to fraction form
    229,107.20/343,369.20 = 204,029.60/x
  3. Step 3: Cross multiply
    229,107.20x = 343,369.20 × 204,029.60
  4. Step 4: Simplify right side
    229,107.20x = 70,057,480,528.32
  5. Step 5: Solve for x
    x = 70,057,480,528.32/229,107.20
  6. Step 6: Final answer
    x = 305,784.72

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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.