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Finding the Fourth Proportional to 422,304.03, 582,779.70 and 231,324.30

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Solution

The fourth proportional to 422,304.03, 582,779.70 and 231,324.30 is: 319,227.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,304.03 : 582,779.70 = 231,324.30 : x
  2. Step 2: Convert to fraction form
    422,304.03/582,779.70 = 231,324.30/x
  3. Step 3: Cross multiply
    422,304.03x = 582,779.70 × 231,324.30
  4. Step 4: Simplify right side
    422,304.03x = 134,811,106,156.71
  5. Step 5: Solve for x
    x = 134,811,106,156.71/422,304.03
  6. Step 6: Final answer
    x = 319,227.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.