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Finding the Fourth Proportional to 464,599.86, 641,070.08 and 273,651.28

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Solution

The fourth proportional to 464,599.86, 641,070.08 and 273,651.28 is: 377,592.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,599.86 : 641,070.08 = 273,651.28 : x
  2. Step 2: Convert to fraction form
    464,599.86/641,070.08 = 273,651.28/x
  3. Step 3: Cross multiply
    464,599.86x = 641,070.08 × 273,651.28
  4. Step 4: Simplify right side
    464,599.86x = 175,429,647,961.70
  5. Step 5: Solve for x
    x = 175,429,647,961.70/464,599.86
  6. Step 6: Final answer
    x = 377,592.98

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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.