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Finding the Fourth Proportional to 496,570.50, 685,267.29 and 270,217.62

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Solution

The fourth proportional to 496,570.50, 685,267.29 and 270,217.62 is: 372,900.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,570.50 : 685,267.29 = 270,217.62 : x
  2. Step 2: Convert to fraction form
    496,570.50/685,267.29 = 270,217.62/x
  3. Step 3: Cross multiply
    496,570.50x = 685,267.29 × 270,217.62
  4. Step 4: Simplify right side
    496,570.50x = 185,171,296,167.65
  5. Step 5: Solve for x
    x = 185,171,296,167.65/496,570.50
  6. Step 6: Final answer
    x = 372,900.32

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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.