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Finding the Fourth Proportional to 365,158.56, 503,900.82 and 203,981.52

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Solution

The fourth proportional to 365,158.56, 503,900.82 and 203,981.52 is: 281,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,158.56 : 503,900.82 = 203,981.52 : x
  2. Step 2: Convert to fraction form
    365,158.56/503,900.82 = 203,981.52/x
  3. Step 3: Cross multiply
    365,158.56x = 503,900.82 × 203,981.52
  4. Step 4: Simplify right side
    365,158.56x = 102,786,455,192.85
  5. Step 5: Solve for x
    x = 102,786,455,192.85/365,158.56
  6. Step 6: Final answer
    x = 281,484.45

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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.