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Finding the Fourth Proportional to 496,808.75, 685,685.52 and 292,847.58

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Solution

The fourth proportional to 496,808.75, 685,685.52 and 292,847.58 is: 404,182.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,808.75 : 685,685.52 = 292,847.58 : x
  2. Step 2: Convert to fraction form
    496,808.75/685,685.52 = 292,847.58/x
  3. Step 3: Cross multiply
    496,808.75x = 685,685.52 × 292,847.58
  4. Step 4: Simplify right side
    496,808.75x = 200,801,345,173.04
  5. Step 5: Solve for x
    x = 200,801,345,173.04/496,808.75
  6. Step 6: Final answer
    x = 404,182.38

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1.5x scale

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.