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Finding the Fourth Proportional to 304,252.20, 419,898.60 and 168,296.40

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Solution

The fourth proportional to 304,252.20, 419,898.60 and 168,296.40 is: 232,265.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,252.20 : 419,898.60 = 168,296.40 : x
  2. Step 2: Convert to fraction form
    304,252.20/419,898.60 = 168,296.40/x
  3. Step 3: Cross multiply
    304,252.20x = 419,898.60 × 168,296.40
  4. Step 4: Simplify right side
    304,252.20x = 70,667,422,745.04
  5. Step 5: Solve for x
    x = 70,667,422,745.04/304,252.20
  6. Step 6: Final answer
    x = 232,265.94

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1.5x scale

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.