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Finding the Fourth Proportional to 401,583.56, 554,180.13 and 229,499.54

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Solution

The fourth proportional to 401,583.56, 554,180.13 and 229,499.54 is: 316,706.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,583.56 : 554,180.13 = 229,499.54 : x
  2. Step 2: Convert to fraction form
    401,583.56/554,180.13 = 229,499.54/x
  3. Step 3: Cross multiply
    401,583.56x = 554,180.13 × 229,499.54
  4. Step 4: Simplify right side
    401,583.56x = 127,184,087,336.68
  5. Step 5: Solve for x
    x = 127,184,087,336.68/401,583.56
  6. Step 6: Final answer
    x = 316,706.41

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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.