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Finding the Fourth Proportional to 339,756.30, 468,889.95 and 203,795.58

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Solution

The fourth proportional to 339,756.30, 468,889.95 and 203,795.58 is: 281,253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,756.30 : 468,889.95 = 203,795.58 : x
  2. Step 2: Convert to fraction form
    339,756.30/468,889.95 = 203,795.58/x
  3. Step 3: Cross multiply
    339,756.30x = 468,889.95 × 203,795.58
  4. Step 4: Simplify right side
    339,756.30x = 95,557,699,316.42
  5. Step 5: Solve for x
    x = 95,557,699,316.42/339,756.30
  6. Step 6: Final answer
    x = 281,253.65

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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.