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Finding the Fourth Proportional to 503,447.20, 756,045.60 and 267,251.20

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Solution

The fourth proportional to 503,447.20, 756,045.60 and 267,251.20 is: 401,341.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,447.20 : 756,045.60 = 267,251.20 : x
  2. Step 2: Convert to fraction form
    503,447.20/756,045.60 = 267,251.20/x
  3. Step 3: Cross multiply
    503,447.20x = 756,045.60 × 267,251.20
  4. Step 4: Simplify right side
    503,447.20x = 202,054,093,854.72
  5. Step 5: Solve for x
    x = 202,054,093,854.72/503,447.20
  6. Step 6: Final answer
    x = 401,341.18

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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.