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Finding the Fourth Proportional to 227,402.08, 340,676.65 and 190,201.21

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Solution

The fourth proportional to 227,402.08, 340,676.65 and 190,201.21 is: 284,945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,402.08 : 340,676.65 = 190,201.21 : x
  2. Step 2: Convert to fraction form
    227,402.08/340,676.65 = 190,201.21/x
  3. Step 3: Cross multiply
    227,402.08x = 340,676.65 × 190,201.21
  4. Step 4: Simplify right side
    227,402.08x = 64,797,111,048.75
  5. Step 5: Solve for x
    x = 64,797,111,048.75/227,402.08
  6. Step 6: Final answer
    x = 284,945.11

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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.