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Finding the Fourth Proportional to 382,676.90, 573,816.46 and 112,769.64

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Solution

The fourth proportional to 382,676.90, 573,816.46 and 112,769.64 is: 169,095.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,676.90 : 573,816.46 = 112,769.64 : x
  2. Step 2: Convert to fraction form
    382,676.90/573,816.46 = 112,769.64/x
  3. Step 3: Cross multiply
    382,676.90x = 573,816.46 × 112,769.64
  4. Step 4: Simplify right side
    382,676.90x = 64,709,075,620.27
  5. Step 5: Solve for x
    x = 64,709,075,620.27/382,676.90
  6. Step 6: Final answer
    x = 169,095.85

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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.