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Finding the Fourth Proportional to 304,069.20, 455,950.80 and 93,679.80

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Solution

The fourth proportional to 304,069.20, 455,950.80 and 93,679.80 is: 140,472.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,069.20 : 455,950.80 = 93,679.80 : x
  2. Step 2: Convert to fraction form
    304,069.20/455,950.80 = 93,679.80/x
  3. Step 3: Cross multiply
    304,069.20x = 455,950.80 × 93,679.80
  4. Step 4: Simplify right side
    304,069.20x = 42,713,379,753.84
  5. Step 5: Solve for x
    x = 42,713,379,753.84/304,069.20
  6. Step 6: Final answer
    x = 140,472.56

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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.