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Finding the Fourth Proportional to 304,461.70, 456,721.35 and 82,845.70

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Solution

The fourth proportional to 304,461.70, 456,721.35 and 82,845.70 is: 124,276.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,461.70 : 456,721.35 = 82,845.70 : x
  2. Step 2: Convert to fraction form
    304,461.70/456,721.35 = 82,845.70/x
  3. Step 3: Cross multiply
    304,461.70x = 456,721.35 × 82,845.70
  4. Step 4: Simplify right side
    304,461.70x = 37,837,399,945.70
  5. Step 5: Solve for x
    x = 37,837,399,945.70/304,461.70
  6. Step 6: Final answer
    x = 124,276.39

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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.