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Finding the Fourth Proportional to 328,094.60, 491,753.10 and 170,241.80

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Solution

The fourth proportional to 328,094.60, 491,753.10 and 170,241.80 is: 255,160.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,094.60 : 491,753.10 = 170,241.80 : x
  2. Step 2: Convert to fraction form
    328,094.60/491,753.10 = 170,241.80/x
  3. Step 3: Cross multiply
    328,094.60x = 491,753.10 × 170,241.80
  4. Step 4: Simplify right side
    328,094.60x = 83,716,932,899.58
  5. Step 5: Solve for x
    x = 83,716,932,899.58/328,094.60
  6. Step 6: Final answer
    x = 255,160.96

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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.