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Finding the Fourth Proportional to 496,587, 685,290.06 and 270,234.12

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Solution

The fourth proportional to 496,587, 685,290.06 and 270,234.12 is: 372,923.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,587 : 685,290.06 = 270,234.12 : x
  2. Step 2: Convert to fraction form
    496,587/685,290.06 = 270,234.12/x
  3. Step 3: Cross multiply
    496,587x = 685,290.06 × 270,234.12
  4. Step 4: Simplify right side
    496,587x = 185,188,756,308.85
  5. Step 5: Solve for x
    x = 185,188,756,308.85/496,587
  6. Step 6: Final answer
    x = 372,923.09

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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.