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Finding the Fourth Proportional to 493,183.55, 680,594.30 and 275,391.16

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Solution

The fourth proportional to 493,183.55, 680,594.30 and 275,391.16 is: 380,040.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,183.55 : 680,594.30 = 275,391.16 : x
  2. Step 2: Convert to fraction form
    493,183.55/680,594.30 = 275,391.16/x
  3. Step 3: Cross multiply
    493,183.55x = 680,594.30 × 275,391.16
  4. Step 4: Simplify right side
    493,183.55x = 187,429,651,720.66
  5. Step 5: Solve for x
    x = 187,429,651,720.66/493,183.55
  6. Step 6: Final answer
    x = 380,040.35

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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.