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Finding the Fourth Proportional to 304,067.20, 455,947.80 and 93,677.80

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Solution

The fourth proportional to 304,067.20, 455,947.80 and 93,677.80 is: 140,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,067.20 : 455,947.80 = 93,677.80 : x
  2. Step 2: Convert to fraction form
    304,067.20/455,947.80 = 93,677.80/x
  3. Step 3: Cross multiply
    304,067.20x = 455,947.80 × 93,677.80
  4. Step 4: Simplify right side
    304,067.20x = 42,712,186,818.84
  5. Step 5: Solve for x
    x = 42,712,186,818.84/304,067.20
  6. Step 6: Final answer
    x = 140,469.56

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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.