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Finding the Fourth Proportional to 304,577.46, 420,310.67 and 168,611.45

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Solution

The fourth proportional to 304,577.46, 420,310.67 and 168,611.45 is: 232,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,577.46 : 420,310.67 = 168,611.45 : x
  2. Step 2: Convert to fraction form
    304,577.46/420,310.67 = 168,611.45/x
  3. Step 3: Cross multiply
    304,577.46x = 420,310.67 × 168,611.45
  4. Step 4: Simplify right side
    304,577.46x = 70,869,188,574.56
  5. Step 5: Solve for x
    x = 70,869,188,574.56/304,577.46
  6. Step 6: Final answer
    x = 232,680.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.