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Finding the Fourth Proportional to 304,331.80, 456,872.10 and 192,011.80

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Solution

The fourth proportional to 304,331.80, 456,872.10 and 192,011.80 is: 288,253.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,331.80 : 456,872.10 = 192,011.80 : x
  2. Step 2: Convert to fraction form
    304,331.80/456,872.10 = 192,011.80/x
  3. Step 3: Cross multiply
    304,331.80x = 456,872.10 × 192,011.80
  4. Step 4: Simplify right side
    304,331.80x = 87,724,834,290.78
  5. Step 5: Solve for x
    x = 87,724,834,290.78/304,331.80
  6. Step 6: Final answer
    x = 288,253.92

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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.