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Finding the Fourth Proportional to 328,460.35, 492,537.39 and 170,646.43

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Solution

The fourth proportional to 328,460.35, 492,537.39 and 170,646.43 is: 255,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,460.35 : 492,537.39 = 170,646.43 : x
  2. Step 2: Convert to fraction form
    328,460.35/492,537.39 = 170,646.43/x
  3. Step 3: Cross multiply
    328,460.35x = 492,537.39 × 170,646.43
  4. Step 4: Simplify right side
    328,460.35x = 84,049,747,245.02
  5. Step 5: Solve for x
    x = 84,049,747,245.02/328,460.35
  6. Step 6: Final answer
    x = 255,890.09

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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.