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Finding the Fourth Proportional to 496,530.96, 685,208.88 and 270,175.92

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Solution

The fourth proportional to 496,530.96, 685,208.88 and 270,175.92 is: 372,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,530.96 : 685,208.88 = 270,175.92 : x
  2. Step 2: Convert to fraction form
    496,530.96/685,208.88 = 270,175.92/x
  3. Step 3: Cross multiply
    496,530.96x = 685,208.88 × 270,175.92
  4. Step 4: Simplify right side
    496,530.96x = 185,126,939,546.17
  5. Step 5: Solve for x
    x = 185,126,939,546.17/496,530.96
  6. Step 6: Final answer
    x = 372,840.68

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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.