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Finding the Fourth Proportional to 295,781.40, 443,672.10 and 194,304.60

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Solution

The fourth proportional to 295,781.40, 443,672.10 and 194,304.60 is: 291,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,781.40 : 443,672.10 = 194,304.60 : x
  2. Step 2: Convert to fraction form
    295,781.40/443,672.10 = 194,304.60/x
  3. Step 3: Cross multiply
    295,781.40x = 443,672.10 × 194,304.60
  4. Step 4: Simplify right side
    295,781.40x = 86,207,529,921.66
  5. Step 5: Solve for x
    x = 86,207,529,921.66/295,781.40
  6. Step 6: Final answer
    x = 291,456.90

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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.