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Finding the Fourth Proportional to 504,137.23, 756,428.25 and 267,421.88

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Solution

The fourth proportional to 504,137.23, 756,428.25 and 267,421.88 is: 401,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,137.23 : 756,428.25 = 267,421.88 : x
  2. Step 2: Convert to fraction form
    504,137.23/756,428.25 = 267,421.88/x
  3. Step 3: Cross multiply
    504,137.23x = 756,428.25 × 267,421.88
  4. Step 4: Simplify right side
    504,137.23x = 202,285,464,700.11
  5. Step 5: Solve for x
    x = 202,285,464,700.11/504,137.23
  6. Step 6: Final answer
    x = 401,250.80

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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.