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Finding the Fourth Proportional to 304,455.70, 456,712.35 and 82,839.70

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Solution

The fourth proportional to 304,455.70, 456,712.35 and 82,839.70 is: 124,267.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,455.70 : 456,712.35 = 82,839.70 : x
  2. Step 2: Convert to fraction form
    304,455.70/456,712.35 = 82,839.70/x
  3. Step 3: Cross multiply
    304,455.70x = 456,712.35 × 82,839.70
  4. Step 4: Simplify right side
    304,455.70x = 37,833,914,060.30
  5. Step 5: Solve for x
    x = 37,833,914,060.30/304,455.70
  6. Step 6: Final answer
    x = 124,267.39

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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.