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Finding the Fourth Proportional to 340,611.46, 511,006.94 and 169,883.30

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Solution

The fourth proportional to 340,611.46, 511,006.94 and 169,883.30 is: 254,869.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,611.46 : 511,006.94 = 169,883.30 : x
  2. Step 2: Convert to fraction form
    340,611.46/511,006.94 = 169,883.30/x
  3. Step 3: Cross multiply
    340,611.46x = 511,006.94 × 169,883.30
  4. Step 4: Simplify right side
    340,611.46x = 86,811,545,290.10
  5. Step 5: Solve for x
    x = 86,811,545,290.10/340,611.46
  6. Step 6: Final answer
    x = 254,869.71

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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.