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Finding the Fourth Proportional to 564,770.12, 779,379.26 and 323,056.73

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Solution

The fourth proportional to 564,770.12, 779,379.26 and 323,056.73 is: 445,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,770.12 : 779,379.26 = 323,056.73 : x
  2. Step 2: Convert to fraction form
    564,770.12/779,379.26 = 323,056.73/x
  3. Step 3: Cross multiply
    564,770.12x = 779,379.26 × 323,056.73
  4. Step 4: Simplify right side
    564,770.12x = 251,783,713,550.14
  5. Step 5: Solve for x
    x = 251,783,713,550.14/564,770.12
  6. Step 6: Final answer
    x = 445,816.28

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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.