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Finding the Fourth Proportional to 304,872.70, 457,309.05 and 94,531.90

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Solution

The fourth proportional to 304,872.70, 457,309.05 and 94,531.90 is: 141,797.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,872.70 : 457,309.05 = 94,531.90 : x
  2. Step 2: Convert to fraction form
    304,872.70/457,309.05 = 94,531.90/x
  3. Step 3: Cross multiply
    304,872.70x = 457,309.05 × 94,531.90
  4. Step 4: Simplify right side
    304,872.70x = 43,230,293,383.70
  5. Step 5: Solve for x
    x = 43,230,293,383.70/304,872.70
  6. Step 6: Final answer
    x = 141,797.85

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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.