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Finding the Fourth Proportional to 493,309.32, 680,766.85 and 266,954.82

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Solution

The fourth proportional to 493,309.32, 680,766.85 and 266,954.82 is: 368,397.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,309.32 : 680,766.85 = 266,954.82 : x
  2. Step 2: Convert to fraction form
    493,309.32/680,766.85 = 266,954.82/x
  3. Step 3: Cross multiply
    493,309.32x = 680,766.85 × 266,954.82
  4. Step 4: Simplify right side
    493,309.32x = 181,733,991,236.33
  5. Step 5: Solve for x
    x = 181,733,991,236.33/493,309.32
  6. Step 6: Final answer
    x = 368,397.64

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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.