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Finding the Fourth Proportional to 493,330.23, 680,795.71 and 266,975.73

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Solution

The fourth proportional to 493,330.23, 680,795.71 and 266,975.73 is: 368,426.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,330.23 : 680,795.71 = 266,975.73 : x
  2. Step 2: Convert to fraction form
    493,330.23/680,795.71 = 266,975.73/x
  3. Step 3: Cross multiply
    493,330.23x = 680,795.71 × 266,975.73
  4. Step 4: Simplify right side
    493,330.23x = 181,755,930,990.68
  5. Step 5: Solve for x
    x = 181,755,930,990.68/493,330.23
  6. Step 6: Final answer
    x = 368,426.50

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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.