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Finding the Fourth Proportional to 493,297.88, 680,751.68 and 266,943.38

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Solution

The fourth proportional to 493,297.88, 680,751.68 and 266,943.38 is: 368,382.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,297.88 : 680,751.68 = 266,943.38 : x
  2. Step 2: Convert to fraction form
    493,297.88/680,751.68 = 266,943.38/x
  3. Step 3: Cross multiply
    493,297.88x = 680,751.68 × 266,943.38
  4. Step 4: Simplify right side
    493,297.88x = 181,722,149,661.40
  5. Step 5: Solve for x
    x = 181,722,149,661.40/493,297.88
  6. Step 6: Final answer
    x = 368,382.19

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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.