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Finding the Fourth Proportional to 543,561.22, 750,139.46 and 301,844.73

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Solution

The fourth proportional to 543,561.22, 750,139.46 and 301,844.73 is: 416,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,561.22 : 750,139.46 = 301,844.73 : x
  2. Step 2: Convert to fraction form
    543,561.22/750,139.46 = 301,844.73/x
  3. Step 3: Cross multiply
    543,561.22x = 750,139.46 × 301,844.73
  4. Step 4: Simplify right side
    543,561.22x = 226,425,642,766.05
  5. Step 5: Solve for x
    x = 226,425,642,766.05/543,561.22
  6. Step 6: Final answer
    x = 416,559.60

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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.