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Finding the Fourth Proportional to 341,556.42, 471,346.05 and 198,351.66

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Solution

The fourth proportional to 341,556.42, 471,346.05 and 198,351.66 is: 273,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,556.42 : 471,346.05 = 198,351.66 : x
  2. Step 2: Convert to fraction form
    341,556.42/471,346.05 = 198,351.66/x
  3. Step 3: Cross multiply
    341,556.42x = 471,346.05 × 198,351.66
  4. Step 4: Simplify right side
    341,556.42x = 93,492,271,451.94
  5. Step 5: Solve for x
    x = 93,492,271,451.94/341,556.42
  6. Step 6: Final answer
    x = 273,724.24

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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.