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Finding the Fourth Proportional to 455,925.98, 629,179.97 and 249,198.64

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Solution

The fourth proportional to 455,925.98, 629,179.97 and 249,198.64 is: 343,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,925.98 : 629,179.97 = 249,198.64 : x
  2. Step 2: Convert to fraction form
    455,925.98/629,179.97 = 249,198.64/x
  3. Step 3: Cross multiply
    455,925.98x = 629,179.97 × 249,198.64
  4. Step 4: Simplify right side
    455,925.98x = 156,790,790,020.30
  5. Step 5: Solve for x
    x = 156,790,790,020.30/455,925.98
  6. Step 6: Final answer
    x = 343,895.27

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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.