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Finding the Fourth Proportional to 627,740.80, 941,314.40 and 228,103.04

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Solution

The fourth proportional to 627,740.80, 941,314.40 and 228,103.04 is: 342,046.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,740.80 : 941,314.40 = 228,103.04 : x
  2. Step 2: Convert to fraction form
    627,740.80/941,314.40 = 228,103.04/x
  3. Step 3: Cross multiply
    627,740.80x = 941,314.40 × 228,103.04
  4. Step 4: Simplify right side
    627,740.80x = 214,716,676,235.78
  5. Step 5: Solve for x
    x = 214,716,676,235.78/627,740.80
  6. Step 6: Final answer
    x = 342,046.71

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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.