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Finding the Fourth Proportional to 496,603.06, 685,327.77 and 281,752.18

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Solution

The fourth proportional to 496,603.06, 685,327.77 and 281,752.18 is: 388,826.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,603.06 : 685,327.77 = 281,752.18 : x
  2. Step 2: Convert to fraction form
    496,603.06/685,327.77 = 281,752.18/x
  3. Step 3: Cross multiply
    496,603.06x = 685,327.77 × 281,752.18
  4. Step 4: Simplify right side
    496,603.06x = 193,092,593,212.04
  5. Step 5: Solve for x
    x = 193,092,593,212.04/496,603.06
  6. Step 6: Final answer
    x = 388,826.83

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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.