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Finding the Fourth Proportional to 304,595.20, 456,892.80 and 82,979.20

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Solution

The fourth proportional to 304,595.20, 456,892.80 and 82,979.20 is: 124,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,595.20 : 456,892.80 = 82,979.20 : x
  2. Step 2: Convert to fraction form
    304,595.20/456,892.80 = 82,979.20/x
  3. Step 3: Cross multiply
    304,595.20x = 456,892.80 × 82,979.20
  4. Step 4: Simplify right side
    304,595.20x = 37,912,599,029.76
  5. Step 5: Solve for x
    x = 37,912,599,029.76/304,595.20
  6. Step 6: Final answer
    x = 124,468.80

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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.