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Finding the Fourth Proportional to 383,009.64, 573,976.67 and 302,694.50

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Solution

The fourth proportional to 383,009.64, 573,976.67 and 302,694.50 is: 453,616.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,009.64 : 573,976.67 = 302,694.50 : x
  2. Step 2: Convert to fraction form
    383,009.64/573,976.67 = 302,694.50/x
  3. Step 3: Cross multiply
    383,009.64x = 573,976.67 × 302,694.50
  4. Step 4: Simplify right side
    383,009.64x = 173,739,576,753.96
  5. Step 5: Solve for x
    x = 173,739,576,753.96/383,009.64
  6. Step 6: Final answer
    x = 453,616.72

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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.