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Finding the Fourth Proportional to 407,576.67, 611,168.37 and 170,855.79

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Solution

The fourth proportional to 407,576.67, 611,168.37 and 170,855.79 is: 256,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,576.67 : 611,168.37 = 170,855.79 : x
  2. Step 2: Convert to fraction form
    407,576.67/611,168.37 = 170,855.79/x
  3. Step 3: Cross multiply
    407,576.67x = 611,168.37 × 170,855.79
  4. Step 4: Simplify right side
    407,576.67x = 104,421,654,679.36
  5. Step 5: Solve for x
    x = 104,421,654,679.36/407,576.67
  6. Step 6: Final answer
    x = 256,201.26

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1.5x scale

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.