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Finding the Fourth Proportional to 364,854.89, 503,494.98 and 203,712.68

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Solution

The fourth proportional to 364,854.89, 503,494.98 and 203,712.68 is: 281,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,854.89 : 503,494.98 = 203,712.68 : x
  2. Step 2: Convert to fraction form
    364,854.89/503,494.98 = 203,712.68/x
  3. Step 3: Cross multiply
    364,854.89x = 503,494.98 × 203,712.68
  4. Step 4: Simplify right side
    364,854.89x = 102,568,311,742.35
  5. Step 5: Solve for x
    x = 102,568,311,742.35/364,854.89
  6. Step 6: Final answer
    x = 281,120.84

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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.