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Finding the Fourth Proportional to 479,052.96, 718,586.28 and 229,676.64

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Solution

The fourth proportional to 479,052.96, 718,586.28 and 229,676.64 is: 344,518.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,052.96 : 718,586.28 = 229,676.64 : x
  2. Step 2: Convert to fraction form
    479,052.96/718,586.28 = 229,676.64/x
  3. Step 3: Cross multiply
    479,052.96x = 718,586.28 × 229,676.64
  4. Step 4: Simplify right side
    479,052.96x = 165,042,482,340.50
  5. Step 5: Solve for x
    x = 165,042,482,340.50/479,052.96
  6. Step 6: Final answer
    x = 344,518.24

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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.