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Finding the Fourth Proportional to 494,695.52, 681,922.32 and 303,354.08

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Solution

The fourth proportional to 494,695.52, 681,922.32 and 303,354.08 is: 418,164.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,695.52 : 681,922.32 = 303,354.08 : x
  2. Step 2: Convert to fraction form
    494,695.52/681,922.32 = 303,354.08/x
  3. Step 3: Cross multiply
    494,695.52x = 681,922.32 × 303,354.08
  4. Step 4: Simplify right side
    494,695.52x = 206,863,918,015.07
  5. Step 5: Solve for x
    x = 206,863,918,015.07/494,695.52
  6. Step 6: Final answer
    x = 418,164.12

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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.