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Finding the Fourth Proportional to 493,226.04, 680,583.64 and 275,408.12

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Solution

The fourth proportional to 493,226.04, 680,583.64 and 275,408.12 is: 380,025.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,226.04 : 680,583.64 = 275,408.12 : x
  2. Step 2: Convert to fraction form
    493,226.04/680,583.64 = 275,408.12/x
  3. Step 3: Cross multiply
    493,226.04x = 680,583.64 × 275,408.12
  4. Step 4: Simplify right side
    493,226.04x = 187,438,260,795.16
  5. Step 5: Solve for x
    x = 187,438,260,795.16/493,226.04
  6. Step 6: Final answer
    x = 380,025.07

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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.