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Finding the Fourth Proportional to 341,957.28, 471,886.37 and 188,987.57

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Solution

The fourth proportional to 341,957.28, 471,886.37 and 188,987.57 is: 260,794.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,957.28 : 471,886.37 = 188,987.57 : x
  2. Step 2: Convert to fraction form
    341,957.28/471,886.37 = 188,987.57/x
  3. Step 3: Cross multiply
    341,957.28x = 471,886.37 × 188,987.57
  4. Step 4: Simplify right side
    341,957.28x = 89,180,657,556.33
  5. Step 5: Solve for x
    x = 89,180,657,556.33/341,957.28
  6. Step 6: Final answer
    x = 260,794.73

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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.