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Finding the Fourth Proportional to 331,874.10, 497,811.15 and 303,005.70

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Solution

The fourth proportional to 331,874.10, 497,811.15 and 303,005.70 is: 454,508.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,874.10 : 497,811.15 = 303,005.70 : x
  2. Step 2: Convert to fraction form
    331,874.10/497,811.15 = 303,005.70/x
  3. Step 3: Cross multiply
    331,874.10x = 497,811.15 × 303,005.70
  4. Step 4: Simplify right side
    331,874.10x = 150,839,615,973.56
  5. Step 5: Solve for x
    x = 150,839,615,973.56/331,874.10
  6. Step 6: Final answer
    x = 454,508.55

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Similar ratio
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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.