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Finding the Fourth Proportional to 441,471.40, 662,207.10 and 397,234.60

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Solution

The fourth proportional to 441,471.40, 662,207.10 and 397,234.60 is: 595,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,471.40 : 662,207.10 = 397,234.60 : x
  2. Step 2: Convert to fraction form
    441,471.40/662,207.10 = 397,234.60/x
  3. Step 3: Cross multiply
    441,471.40x = 662,207.10 × 397,234.60
  4. Step 4: Simplify right side
    441,471.40x = 263,051,572,485.66
  5. Step 5: Solve for x
    x = 263,051,572,485.66/441,471.40
  6. Step 6: Final answer
    x = 595,851.90

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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.