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Finding the Fourth Proportional to 227,430.70, 341,474.10 and 171,662.20

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Solution

The fourth proportional to 227,430.70, 341,474.10 and 171,662.20 is: 257,740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,430.70 : 341,474.10 = 171,662.20 : x
  2. Step 2: Convert to fraction form
    227,430.70/341,474.10 = 171,662.20/x
  3. Step 3: Cross multiply
    227,430.70x = 341,474.10 × 171,662.20
  4. Step 4: Simplify right side
    227,430.70x = 58,618,195,249.02
  5. Step 5: Solve for x
    x = 58,618,195,249.02/227,430.70
  6. Step 6: Final answer
    x = 257,740.91

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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.