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Finding the Fourth Proportional to 496,885.12, 685,704.08 and 270,532.24

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Solution

The fourth proportional to 496,885.12, 685,704.08 and 270,532.24 is: 373,335.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,885.12 : 685,704.08 = 270,532.24 : x
  2. Step 2: Convert to fraction form
    496,885.12/685,704.08 = 270,532.24/x
  3. Step 3: Cross multiply
    496,885.12x = 685,704.08 × 270,532.24
  4. Step 4: Simplify right side
    496,885.12x = 185,505,060,739.54
  5. Step 5: Solve for x
    x = 185,505,060,739.54/496,885.12
  6. Step 6: Final answer
    x = 373,335.91

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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.