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Finding the Fourth Proportional to 481,676.83, 664,714.76 and 266,812.18

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Solution

The fourth proportional to 481,676.83, 664,714.76 and 266,812.18 is: 368,201.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,676.83 : 664,714.76 = 266,812.18 : x
  2. Step 2: Convert to fraction form
    481,676.83/664,714.76 = 266,812.18/x
  3. Step 3: Cross multiply
    481,676.83x = 664,714.76 × 266,812.18
  4. Step 4: Simplify right side
    481,676.83x = 177,353,991,197.93
  5. Step 5: Solve for x
    x = 177,353,991,197.93/481,676.83
  6. Step 6: Final answer
    x = 368,201.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.