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Finding the Fourth Proportional to 433,181.72, 597,780.31 and 239,584.39

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Solution

The fourth proportional to 433,181.72, 597,780.31 and 239,584.39 is: 330,620.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,181.72 : 597,780.31 = 239,584.39 : x
  2. Step 2: Convert to fraction form
    433,181.72/597,780.31 = 239,584.39/x
  3. Step 3: Cross multiply
    433,181.72x = 597,780.31 × 239,584.39
  4. Step 4: Simplify right side
    433,181.72x = 143,218,830,925.36
  5. Step 5: Solve for x
    x = 143,218,830,925.36/433,181.72
  6. Step 6: Final answer
    x = 330,620.67

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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.