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Finding the Fourth Proportional to 304,850.60, 457,275.90 and 192,165.43

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Solution

The fourth proportional to 304,850.60, 457,275.90 and 192,165.43 is: 288,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,850.60 : 457,275.90 = 192,165.43 : x
  2. Step 2: Convert to fraction form
    304,850.60/457,275.90 = 192,165.43/x
  3. Step 3: Cross multiply
    304,850.60x = 457,275.90 × 192,165.43
  4. Step 4: Simplify right side
    304,850.60x = 87,872,619,952.14
  5. Step 5: Solve for x
    x = 87,872,619,952.14/304,850.60
  6. Step 6: Final answer
    x = 288,248.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.