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Finding the Fourth Proportional to 894,234.80, 1,340,891.40 and 332,980.40

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Solution

The fourth proportional to 894,234.80, 1,340,891.40 and 332,980.40 is: 499,299.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,234.80 : 1,340,891.40 = 332,980.40 : x
  2. Step 2: Convert to fraction form
    894,234.80/1,340,891.40 = 332,980.40/x
  3. Step 3: Cross multiply
    894,234.80x = 1,340,891.40 × 332,980.40
  4. Step 4: Simplify right side
    894,234.80x = 446,490,554,728.56
  5. Step 5: Solve for x
    x = 446,490,554,728.56/894,234.80
  6. Step 6: Final answer
    x = 499,299.01

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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.