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Finding the Fourth Proportional to 496,597.72, 685,378.62 and 292,583.42

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Solution

The fourth proportional to 496,597.72, 685,378.62 and 292,583.42 is: 403,808.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,597.72 : 685,378.62 = 292,583.42 : x
  2. Step 2: Convert to fraction form
    496,597.72/685,378.62 = 292,583.42/x
  3. Step 3: Cross multiply
    496,597.72x = 685,378.62 × 292,583.42
  4. Step 4: Simplify right side
    496,597.72x = 200,530,420,634.48
  5. Step 5: Solve for x
    x = 200,530,420,634.48/496,597.72
  6. Step 6: Final answer
    x = 403,808.58

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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.