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Finding the Fourth Proportional to 448,857.60, 673,286.40 and 200,025.60

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Solution

The fourth proportional to 448,857.60, 673,286.40 and 200,025.60 is: 300,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,857.60 : 673,286.40 = 200,025.60 : x
  2. Step 2: Convert to fraction form
    448,857.60/673,286.40 = 200,025.60/x
  3. Step 3: Cross multiply
    448,857.60x = 673,286.40 × 200,025.60
  4. Step 4: Simplify right side
    448,857.60x = 134,674,516,131.84
  5. Step 5: Solve for x
    x = 134,674,516,131.84/448,857.60
  6. Step 6: Final answer
    x = 300,038.40

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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.