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Finding the Fourth Proportional to 341,620.52, 471,440.96 and 188,669

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Solution

The fourth proportional to 341,620.52, 471,440.96 and 188,669 is: 260,365.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,620.52 : 471,440.96 = 188,669 : x
  2. Step 2: Convert to fraction form
    341,620.52/471,440.96 = 188,669/x
  3. Step 3: Cross multiply
    341,620.52x = 471,440.96 × 188,669
  4. Step 4: Simplify right side
    341,620.52x = 88,946,294,482.24
  5. Step 5: Solve for x
    x = 88,946,294,482.24/341,620.52
  6. Step 6: Final answer
    x = 260,365.78

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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.