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Finding the Fourth Proportional to 493,347.33, 680,819.29 and 266,992.83

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Solution

The fourth proportional to 493,347.33, 680,819.29 and 266,992.83 is: 368,450.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,347.33 : 680,819.29 = 266,992.83 : x
  2. Step 2: Convert to fraction form
    493,347.33/680,819.29 = 266,992.83/x
  3. Step 3: Cross multiply
    493,347.33x = 680,819.29 × 266,992.83
  4. Step 4: Simplify right side
    493,347.33x = 181,773,868,955.69
  5. Step 5: Solve for x
    x = 181,773,868,955.69/493,347.33
  6. Step 6: Final answer
    x = 368,450.09

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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.