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Finding the Fourth Proportional to 363,762.56, 501,913.16 and 220,557.80

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Solution

The fourth proportional to 363,762.56, 501,913.16 and 220,557.80 is: 304,321.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,762.56 : 501,913.16 = 220,557.80 : x
  2. Step 2: Convert to fraction form
    363,762.56/501,913.16 = 220,557.80/x
  3. Step 3: Cross multiply
    363,762.56x = 501,913.16 × 220,557.80
  4. Step 4: Simplify right side
    363,762.56x = 110,700,858,748.29
  5. Step 5: Solve for x
    x = 110,700,858,748.29/363,762.56
  6. Step 6: Final answer
    x = 304,321.75

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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.