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Finding the Fourth Proportional to 304,782.92, 456,952.96 and 127,340.68

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Solution

The fourth proportional to 304,782.92, 456,952.96 and 127,340.68 is: 190,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,782.92 : 456,952.96 = 127,340.68 : x
  2. Step 2: Convert to fraction form
    304,782.92/456,952.96 = 127,340.68/x
  3. Step 3: Cross multiply
    304,782.92x = 456,952.96 × 127,340.68
  4. Step 4: Simplify right side
    304,782.92x = 58,188,700,654.41
  5. Step 5: Solve for x
    x = 58,188,700,654.41/304,782.92
  6. Step 6: Final answer
    x = 190,918.51

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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.