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Finding the Fourth Proportional to 493,334.28, 680,800.68 and 266,979.24

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Solution

The fourth proportional to 493,334.28, 680,800.68 and 266,979.24 is: 368,431.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,334.28 : 680,800.68 = 266,979.24 : x
  2. Step 2: Convert to fraction form
    493,334.28/680,800.68 = 266,979.24/x
  3. Step 3: Cross multiply
    493,334.28x = 680,800.68 × 266,979.24
  4. Step 4: Simplify right side
    493,334.28x = 181,759,648,137.88
  5. Step 5: Solve for x
    x = 181,759,648,137.88/493,334.28
  6. Step 6: Final answer
    x = 368,431.01

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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.