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Finding the Fourth Proportional to 363,905.40, 545,858.10 and 204,473.10

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Solution

The fourth proportional to 363,905.40, 545,858.10 and 204,473.10 is: 306,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,905.40 : 545,858.10 = 204,473.10 : x
  2. Step 2: Convert to fraction form
    363,905.40/545,858.10 = 204,473.10/x
  3. Step 3: Cross multiply
    363,905.40x = 545,858.10 × 204,473.10
  4. Step 4: Simplify right side
    363,905.40x = 111,613,297,867.11
  5. Step 5: Solve for x
    x = 111,613,297,867.11/363,905.40
  6. Step 6: Final answer
    x = 306,709.65

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Similar ratio
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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.