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Finding the Fourth Proportional to 496,311.65, 684,970.88 and 292,352.03

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Solution

The fourth proportional to 496,311.65, 684,970.88 and 292,352.03 is: 403,481.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,311.65 : 684,970.88 = 292,352.03 : x
  2. Step 2: Convert to fraction form
    496,311.65/684,970.88 = 292,352.03/x
  3. Step 3: Cross multiply
    496,311.65x = 684,970.88 × 292,352.03
  4. Step 4: Simplify right side
    496,311.65x = 200,252,622,372.27
  5. Step 5: Solve for x
    x = 200,252,622,372.27/496,311.65
  6. Step 6: Final answer
    x = 403,481.61

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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.