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Finding the Fourth Proportional to 493,414.22, 680,839.13 and 275,596.06

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Solution

The fourth proportional to 493,414.22, 680,839.13 and 275,596.06 is: 380,282.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,414.22 : 680,839.13 = 275,596.06 : x
  2. Step 2: Convert to fraction form
    493,414.22/680,839.13 = 275,596.06/x
  3. Step 3: Cross multiply
    493,414.22x = 680,839.13 × 275,596.06
  4. Step 4: Simplify right side
    493,414.22x = 187,636,578,317.63
  5. Step 5: Solve for x
    x = 187,636,578,317.63/493,414.22
  6. Step 6: Final answer
    x = 380,282.07

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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.