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Finding the Fourth Proportional to 493,304.89, 680,761.35 and 266,950.39

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Solution

The fourth proportional to 493,304.89, 680,761.35 and 266,950.39 is: 368,391.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,304.89 : 680,761.35 = 266,950.39 : x
  2. Step 2: Convert to fraction form
    493,304.89/680,761.35 = 266,950.39/x
  3. Step 3: Cross multiply
    493,304.89x = 680,761.35 × 266,950.39
  4. Step 4: Simplify right side
    493,304.89x = 181,729,507,879.43
  5. Step 5: Solve for x
    x = 181,729,507,879.43/493,304.89
  6. Step 6: Final answer
    x = 368,391.86

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1.5x scale

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.