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Finding the Fourth Proportional to 364,803.51, 503,449.02 and 203,659.86

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Solution

The fourth proportional to 364,803.51, 503,449.02 and 203,659.86 is: 281,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,803.51 : 503,449.02 = 203,659.86 : x
  2. Step 2: Convert to fraction form
    364,803.51/503,449.02 = 203,659.86/x
  3. Step 3: Cross multiply
    364,803.51x = 503,449.02 × 203,659.86
  4. Step 4: Simplify right side
    364,803.51x = 102,532,356,930.34
  5. Step 5: Solve for x
    x = 102,532,356,930.34/364,803.51
  6. Step 6: Final answer
    x = 281,061.87

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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.