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Finding the Fourth Proportional to 364,788.42, 503,355.94 and 203,639.93

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Solution

The fourth proportional to 364,788.42, 503,355.94 and 203,639.93 is: 280,994.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,788.42 : 503,355.94 = 203,639.93 : x
  2. Step 2: Convert to fraction form
    364,788.42/503,355.94 = 203,639.93/x
  3. Step 3: Cross multiply
    364,788.42x = 503,355.94 × 203,639.93
  4. Step 4: Simplify right side
    364,788.42x = 102,503,368,386.68
  5. Step 5: Solve for x
    x = 102,503,368,386.68/364,788.42
  6. Step 6: Final answer
    x = 280,994.03

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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.