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Finding the Fourth Proportional to 546,058.65, 818,942.18 and 166,978.65

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Solution

The fourth proportional to 546,058.65, 818,942.18 and 166,978.65 is: 250,423.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,058.65 : 818,942.18 = 166,978.65 : x
  2. Step 2: Convert to fraction form
    546,058.65/818,942.18 = 166,978.65/x
  3. Step 3: Cross multiply
    546,058.65x = 818,942.18 × 166,978.65
  4. Step 4: Simplify right side
    546,058.65x = 136,745,858,809.56
  5. Step 5: Solve for x
    x = 136,745,858,809.56/546,058.65
  6. Step 6: Final answer
    x = 250,423.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.