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Finding the Fourth Proportional to 504,145.80, 756,218.70 and 267,366.60

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Solution

The fourth proportional to 504,145.80, 756,218.70 and 267,366.60 is: 401,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,145.80 : 756,218.70 = 267,366.60 : x
  2. Step 2: Convert to fraction form
    504,145.80/756,218.70 = 267,366.60/x
  3. Step 3: Cross multiply
    504,145.80x = 756,218.70 × 267,366.60
  4. Step 4: Simplify right side
    504,145.80x = 202,187,622,675.42
  5. Step 5: Solve for x
    x = 202,187,622,675.42/504,145.80
  6. Step 6: Final answer
    x = 401,049.90

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Double scale
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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.