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Finding the Fourth Proportional to 543,605.52, 750,185.79 and 301,910.75

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Solution

The fourth proportional to 543,605.52, 750,185.79 and 301,910.75 is: 416,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,605.52 : 750,185.79 = 301,910.75 : x
  2. Step 2: Convert to fraction form
    543,605.52/750,185.79 = 301,910.75/x
  3. Step 3: Cross multiply
    543,605.52x = 750,185.79 × 301,910.75
  4. Step 4: Simplify right side
    543,605.52x = 226,489,150,747.31
  5. Step 5: Solve for x
    x = 226,489,150,747.31/543,605.52
  6. Step 6: Final answer
    x = 416,642.48

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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.