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Finding the Fourth Proportional to 574,141.77, 860,339.48 and 274,209.30

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Solution

The fourth proportional to 574,141.77, 860,339.48 and 274,209.30 is: 410,896.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,141.77 : 860,339.48 = 274,209.30 : x
  2. Step 2: Convert to fraction form
    574,141.77/860,339.48 = 274,209.30/x
  3. Step 3: Cross multiply
    574,141.77x = 860,339.48 × 274,209.30
  4. Step 4: Simplify right side
    574,141.77x = 235,913,085,202.12
  5. Step 5: Solve for x
    x = 235,913,085,202.12/574,141.77
  6. Step 6: Final answer
    x = 410,896.92

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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.