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Finding the Fourth Proportional to 4,793,018.86, 7,189,529.33 and 1,198,786.17

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Solution

The fourth proportional to 4,793,018.86, 7,189,529.33 and 1,198,786.17 is: 1,798,179.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,793,018.86 : 7,189,529.33 = 1,198,786.17 : x
  2. Step 2: Convert to fraction form
    4,793,018.86/7,189,529.33 = 1,198,786.17/x
  3. Step 3: Cross multiply
    4,793,018.86x = 7,189,529.33 × 1,198,786.17
  4. Step 4: Simplify right side
    4,793,018.86x = 8,618,708,329,613.37
  5. Step 5: Solve for x
    x = 8,618,708,329,613.37/4,793,018.86
  6. Step 6: Final answer
    x = 1,798,179.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.