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Finding the Fourth Proportional to 431,620.98, 595,630.44 and 240,629.46

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Solution

The fourth proportional to 431,620.98, 595,630.44 and 240,629.46 is: 332,065.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,620.98 : 595,630.44 = 240,629.46 : x
  2. Step 2: Convert to fraction form
    431,620.98/595,630.44 = 240,629.46/x
  3. Step 3: Cross multiply
    431,620.98x = 595,630.44 × 240,629.46
  4. Step 4: Simplify right side
    431,620.98x = 143,326,231,136.76
  5. Step 5: Solve for x
    x = 143,326,231,136.76/431,620.98
  6. Step 6: Final answer
    x = 332,065.02

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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.