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Finding the Fourth Proportional to 504,103.20, 757,029.60 and 267,907.20

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Solution

The fourth proportional to 504,103.20, 757,029.60 and 267,907.20 is: 402,325.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,103.20 : 757,029.60 = 267,907.20 : x
  2. Step 2: Convert to fraction form
    504,103.20/757,029.60 = 267,907.20/x
  3. Step 3: Cross multiply
    504,103.20x = 757,029.60 × 267,907.20
  4. Step 4: Simplify right side
    504,103.20x = 202,813,680,453.12
  5. Step 5: Solve for x
    x = 202,813,680,453.12/504,103.20
  6. Step 6: Final answer
    x = 402,325.72

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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.