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Finding the Fourth Proportional to 401,548.52, 554,136.96 and 220,260.87

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Solution

The fourth proportional to 401,548.52, 554,136.96 and 220,260.87 is: 303,960.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,548.52 : 554,136.96 = 220,260.87 : x
  2. Step 2: Convert to fraction form
    401,548.52/554,136.96 = 220,260.87/x
  3. Step 3: Cross multiply
    401,548.52x = 554,136.96 × 220,260.87
  4. Step 4: Simplify right side
    401,548.52x = 122,054,689,734.73
  5. Step 5: Solve for x
    x = 122,054,689,734.73/401,548.52
  6. Step 6: Final answer
    x = 303,960.00

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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.