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Finding the Fourth Proportional to 365,020.53, 503,723.03 and 203,877.87

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Solution

The fourth proportional to 365,020.53, 503,723.03 and 203,877.87 is: 281,348.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,020.53 : 503,723.03 = 203,877.87 : x
  2. Step 2: Convert to fraction form
    365,020.53/503,723.03 = 203,877.87/x
  3. Step 3: Cross multiply
    365,020.53x = 503,723.03 × 203,877.87
  4. Step 4: Simplify right side
    365,020.53x = 102,697,977,406.96
  5. Step 5: Solve for x
    x = 102,697,977,406.96/365,020.53
  6. Step 6: Final answer
    x = 281,348.50

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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.