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Finding the Fourth Proportional to 467,995.78, 645,778.58 and 264,034.79

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Solution

The fourth proportional to 467,995.78, 645,778.58 and 264,034.79 is: 364,336.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,995.78 : 645,778.58 = 264,034.79 : x
  2. Step 2: Convert to fraction form
    467,995.78/645,778.58 = 264,034.79/x
  3. Step 3: Cross multiply
    467,995.78x = 645,778.58 × 264,034.79
  4. Step 4: Simplify right side
    467,995.78x = 170,508,009,629.40
  5. Step 5: Solve for x
    x = 170,508,009,629.40/467,995.78
  6. Step 6: Final answer
    x = 364,336.64

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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.