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Finding the Fourth Proportional to 543,605.54, 750,185.80 and 301,910.74

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Solution

The fourth proportional to 543,605.54, 750,185.80 and 301,910.74 is: 416,642.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,605.54 : 750,185.80 = 301,910.74 : x
  2. Step 2: Convert to fraction form
    543,605.54/750,185.80 = 301,910.74/x
  3. Step 3: Cross multiply
    543,605.54x = 750,185.80 × 301,910.74
  4. Step 4: Simplify right side
    543,605.54x = 226,489,147,385.25
  5. Step 5: Solve for x
    x = 226,489,147,385.25/543,605.54
  6. Step 6: Final answer
    x = 416,642.46

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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.