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Finding the Fourth Proportional to 301,026.70, 450,654.29 and 200,938.64

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Solution

The fourth proportional to 301,026.70, 450,654.29 and 200,938.64 is: 300,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,026.70 : 450,654.29 = 200,938.64 : x
  2. Step 2: Convert to fraction form
    301,026.70/450,654.29 = 200,938.64/x
  3. Step 3: Cross multiply
    301,026.70x = 450,654.29 × 200,938.64
  4. Step 4: Simplify right side
    301,026.70x = 90,553,861,771.75
  5. Step 5: Solve for x
    x = 90,553,861,771.75/301,026.70
  6. Step 6: Final answer
    x = 300,816.71

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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.