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Finding the Fourth Proportional to 503,586.20, 756,254.10 and 267,390.20

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Solution

The fourth proportional to 503,586.20, 756,254.10 and 267,390.20 is: 401,549.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,586.20 : 756,254.10 = 267,390.20 : x
  2. Step 2: Convert to fraction form
    503,586.20/756,254.10 = 267,390.20/x
  3. Step 3: Cross multiply
    503,586.20x = 756,254.10 × 267,390.20
  4. Step 4: Simplify right side
    503,586.20x = 202,214,935,049.82
  5. Step 5: Solve for x
    x = 202,214,935,049.82/503,586.20
  6. Step 6: Final answer
    x = 401,549.79

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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.