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Finding the Fourth Proportional to 304,563.12, 420,291 and 168,597

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Solution

The fourth proportional to 304,563.12, 420,291 and 168,597 is: 232,660.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,563.12 : 420,291 = 168,597 : x
  2. Step 2: Convert to fraction form
    304,563.12/420,291 = 168,597/x
  3. Step 3: Cross multiply
    304,563.12x = 420,291 × 168,597
  4. Step 4: Simplify right side
    304,563.12x = 70,859,801,727
  5. Step 5: Solve for x
    x = 70,859,801,727/304,563.12
  6. Step 6: Final answer
    x = 232,660.48

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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.