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Finding the Fourth Proportional to 401,559.39, 554,059.04 and 240,353.19

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Solution

The fourth proportional to 401,559.39, 554,059.04 and 240,353.19 is: 331,631.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,559.39 : 554,059.04 = 240,353.19 : x
  2. Step 2: Convert to fraction form
    401,559.39/554,059.04 = 240,353.19/x
  3. Step 3: Cross multiply
    401,559.39x = 554,059.04 × 240,353.19
  4. Step 4: Simplify right side
    401,559.39x = 133,169,856,510.57
  5. Step 5: Solve for x
    x = 133,169,856,510.57/401,559.39
  6. Step 6: Final answer
    x = 331,631.78

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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.