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Finding the Fourth Proportional to 341,435.92, 471,178.88 and 198,209.28

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Solution

The fourth proportional to 341,435.92, 471,178.88 and 198,209.28 is: 273,527.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,435.92 : 471,178.88 = 198,209.28 : x
  2. Step 2: Convert to fraction form
    341,435.92/471,178.88 = 198,209.28/x
  3. Step 3: Cross multiply
    341,435.92x = 471,178.88 × 198,209.28
  4. Step 4: Simplify right side
    341,435.92x = 93,392,026,556.01
  5. Step 5: Solve for x
    x = 93,392,026,556.01/341,435.92
  6. Step 6: Final answer
    x = 273,527.25

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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.