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Finding the Fourth Proportional to 341,653.43, 471,485.27 and 188,695.46

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Solution

The fourth proportional to 341,653.43, 471,485.27 and 188,695.46 is: 260,401.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,653.43 : 471,485.27 = 188,695.46 : x
  2. Step 2: Convert to fraction form
    341,653.43/471,485.27 = 188,695.46/x
  3. Step 3: Cross multiply
    341,653.43x = 471,485.27 × 188,695.46
  4. Step 4: Simplify right side
    341,653.43x = 88,967,129,905.87
  5. Step 5: Solve for x
    x = 88,967,129,905.87/341,653.43
  6. Step 6: Final answer
    x = 260,401.69

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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.