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Finding the Fourth Proportional to 493,028.82, 680,379.48 and 266,674.32

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Solution

The fourth proportional to 493,028.82, 680,379.48 and 266,674.32 is: 368,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,028.82 : 680,379.48 = 266,674.32 : x
  2. Step 2: Convert to fraction form
    493,028.82/680,379.48 = 266,674.32/x
  3. Step 3: Cross multiply
    493,028.82x = 680,379.48 × 266,674.32
  4. Step 4: Simplify right side
    493,028.82x = 181,439,735,170.95
  5. Step 5: Solve for x
    x = 181,439,735,170.95/493,028.82
  6. Step 6: Final answer
    x = 368,010.40

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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.