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Finding the Fourth Proportional to 467,857.01, 645,628.12 and 263,904.89

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Solution

The fourth proportional to 467,857.01, 645,628.12 and 263,904.89 is: 364,180.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,857.01 : 645,628.12 = 263,904.89 : x
  2. Step 2: Convert to fraction form
    467,857.01/645,628.12 = 263,904.89/x
  3. Step 3: Cross multiply
    467,857.01x = 645,628.12 × 263,904.89
  4. Step 4: Simplify right side
    467,857.01x = 170,384,414,101.60
  5. Step 5: Solve for x
    x = 170,384,414,101.60/467,857.01
  6. Step 6: Final answer
    x = 364,180.53

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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.