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Finding the Fourth Proportional to 304,035.80, 456,053.70 and 82,419.80

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Solution

The fourth proportional to 304,035.80, 456,053.70 and 82,419.80 is: 123,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,035.80 : 456,053.70 = 82,419.80 : x
  2. Step 2: Convert to fraction form
    304,035.80/456,053.70 = 82,419.80/x
  3. Step 3: Cross multiply
    304,035.80x = 456,053.70 × 82,419.80
  4. Step 4: Simplify right side
    304,035.80x = 37,587,854,743.26
  5. Step 5: Solve for x
    x = 37,587,854,743.26/304,035.80
  6. Step 6: Final answer
    x = 123,629.70

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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.