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Finding the Fourth Proportional to 365,628.29, 548,375.21 and 165,900.65

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Solution

The fourth proportional to 365,628.29, 548,375.21 and 165,900.65 is: 248,820.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,628.29 : 548,375.21 = 165,900.65 : x
  2. Step 2: Convert to fraction form
    365,628.29/548,375.21 = 165,900.65/x
  3. Step 3: Cross multiply
    365,628.29x = 548,375.21 × 165,900.65
  4. Step 4: Simplify right side
    365,628.29x = 90,975,802,953.38
  5. Step 5: Solve for x
    x = 90,975,802,953.38/365,628.29
  6. Step 6: Final answer
    x = 248,820.47

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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.