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Finding the Fourth Proportional to 401,896.04, 554,693.06 and 265,932.68

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Solution

The fourth proportional to 401,896.04, 554,693.06 and 265,932.68 is: 367,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,896.04 : 554,693.06 = 265,932.68 : x
  2. Step 2: Convert to fraction form
    401,896.04/554,693.06 = 265,932.68/x
  3. Step 3: Cross multiply
    401,896.04x = 554,693.06 × 265,932.68
  4. Step 4: Simplify right side
    401,896.04x = 147,511,012,023.20
  5. Step 5: Solve for x
    x = 147,511,012,023.20/401,896.04
  6. Step 6: Final answer
    x = 367,037.73

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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.