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Finding the Fourth Proportional to 543,605.75, 750,185.94 and 301,910.87

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Solution

The fourth proportional to 543,605.75, 750,185.94 and 301,910.87 is: 416,642.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,605.75 : 750,185.94 = 301,910.87 : x
  2. Step 2: Convert to fraction form
    543,605.75/750,185.94 = 301,910.87/x
  3. Step 3: Cross multiply
    543,605.75x = 750,185.94 × 301,910.87
  4. Step 4: Simplify right side
    543,605.75x = 226,489,286,056.24
  5. Step 5: Solve for x
    x = 226,489,286,056.24/543,605.75
  6. Step 6: Final answer
    x = 416,642.55

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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.