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Finding the Fourth Proportional to 401,864.67, 554,600.97 and 265,662.42

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Solution

The fourth proportional to 401,864.67, 554,600.97 and 265,662.42 is: 366,632.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,864.67 : 554,600.97 = 265,662.42 : x
  2. Step 2: Convert to fraction form
    401,864.67/554,600.97 = 265,662.42/x
  3. Step 3: Cross multiply
    401,864.67x = 554,600.97 × 265,662.42
  4. Step 4: Simplify right side
    401,864.67x = 147,336,635,824.55
  5. Step 5: Solve for x
    x = 147,336,635,824.55/401,864.67
  6. Step 6: Final answer
    x = 366,632.47

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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.