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Finding the Fourth Proportional to 493,383.77, 680,869.59 and 267,029.27

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Solution

The fourth proportional to 493,383.77, 680,869.59 and 267,029.27 is: 368,500.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,383.77 : 680,869.59 = 267,029.27 : x
  2. Step 2: Convert to fraction form
    493,383.77/680,869.59 = 267,029.27/x
  3. Step 3: Cross multiply
    493,383.77x = 680,869.59 × 267,029.27
  4. Step 4: Simplify right side
    493,383.77x = 181,812,109,582.90
  5. Step 5: Solve for x
    x = 181,812,109,582.90/493,383.77
  6. Step 6: Final answer
    x = 368,500.39

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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.