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Finding the Fourth Proportional to 565,212.52, 779,991.06 and 323,494.12

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Solution

The fourth proportional to 565,212.52, 779,991.06 and 323,494.12 is: 446,420.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,212.52 : 779,991.06 = 323,494.12 : x
  2. Step 2: Convert to fraction form
    565,212.52/779,991.06 = 323,494.12/x
  3. Step 3: Cross multiply
    565,212.52x = 779,991.06 × 323,494.12
  4. Step 4: Simplify right side
    565,212.52x = 252,322,521,562.57
  5. Step 5: Solve for x
    x = 252,322,521,562.57/565,212.52
  6. Step 6: Final answer
    x = 446,420.62

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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.