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Finding the Fourth Proportional to 450,576.56, 622,096.70 and 266,874.18

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Solution

The fourth proportional to 450,576.56, 622,096.70 and 266,874.18 is: 368,464.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,576.56 : 622,096.70 = 266,874.18 : x
  2. Step 2: Convert to fraction form
    450,576.56/622,096.70 = 266,874.18/x
  3. Step 3: Cross multiply
    450,576.56x = 622,096.70 × 266,874.18
  4. Step 4: Simplify right side
    450,576.56x = 166,021,545,358.84
  5. Step 5: Solve for x
    x = 166,021,545,358.84/450,576.56
  6. Step 6: Final answer
    x = 368,464.68

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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.