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Finding the Fourth Proportional to 550,596.40, 825,861.42 and 327,377.34

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Solution

The fourth proportional to 550,596.40, 825,861.42 and 327,377.34 is: 491,046.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,596.40 : 825,861.42 = 327,377.34 : x
  2. Step 2: Convert to fraction form
    550,596.40/825,861.42 = 327,377.34/x
  3. Step 3: Cross multiply
    550,596.40x = 825,861.42 × 327,377.34
  4. Step 4: Simplify right side
    550,596.40x = 270,368,314,888.22
  5. Step 5: Solve for x
    x = 270,368,314,888.22/550,596.40
  6. Step 6: Final answer
    x = 491,046.28

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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.