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Finding the Fourth Proportional to 622,793.82, 859,473.69 and 364,646.61

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Solution

The fourth proportional to 622,793.82, 859,473.69 and 364,646.61 is: 503,222.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,793.82 : 859,473.69 = 364,646.61 : x
  2. Step 2: Convert to fraction form
    622,793.82/859,473.69 = 364,646.61/x
  3. Step 3: Cross multiply
    622,793.82x = 859,473.69 × 364,646.61
  4. Step 4: Simplify right side
    622,793.82x = 313,404,169,640.15
  5. Step 5: Solve for x
    x = 313,404,169,640.15/622,793.82
  6. Step 6: Final answer
    x = 503,222.99

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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.