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Finding the Fourth Proportional to 415,113.27, 622,866.73 and 246,965.77

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Solution

The fourth proportional to 415,113.27, 622,866.73 and 246,965.77 is: 370,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,113.27 : 622,866.73 = 246,965.77 : x
  2. Step 2: Convert to fraction form
    415,113.27/622,866.73 = 246,965.77/x
  3. Step 3: Cross multiply
    415,113.27x = 622,866.73 × 246,965.77
  4. Step 4: Simplify right side
    415,113.27x = 153,826,761,581.83
  5. Step 5: Solve for x
    x = 153,826,761,581.83/415,113.27
  6. Step 6: Final answer
    x = 370,565.75

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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.