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Finding the Fourth Proportional to 471,813.98, 651,121.72 and 267,883.87

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Solution

The fourth proportional to 471,813.98, 651,121.72 and 267,883.87 is: 369,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,813.98 : 651,121.72 = 267,883.87 : x
  2. Step 2: Convert to fraction form
    471,813.98/651,121.72 = 267,883.87/x
  3. Step 3: Cross multiply
    471,813.98x = 651,121.72 × 267,883.87
  4. Step 4: Simplify right side
    471,813.98x = 174,425,004,855.24
  5. Step 5: Solve for x
    x = 174,425,004,855.24/471,813.98
  6. Step 6: Final answer
    x = 369,690.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.