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Finding the Fourth Proportional to 264,628.68, 365,219.46 and 151,449

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Solution

The fourth proportional to 264,628.68, 365,219.46 and 151,449 is: 209,017.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,628.68 : 365,219.46 = 151,449 : x
  2. Step 2: Convert to fraction form
    264,628.68/365,219.46 = 151,449/x
  3. Step 3: Cross multiply
    264,628.68x = 365,219.46 × 151,449
  4. Step 4: Simplify right side
    264,628.68x = 55,312,121,997.54
  5. Step 5: Solve for x
    x = 55,312,121,997.54/264,628.68
  6. Step 6: Final answer
    x = 209,017.87

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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.