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Finding the Fourth Proportional to 431,243.80, 595,070.82 and 250,012.60

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Solution

The fourth proportional to 431,243.80, 595,070.82 and 250,012.60 is: 344,990.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,243.80 : 595,070.82 = 250,012.60 : x
  2. Step 2: Convert to fraction form
    431,243.80/595,070.82 = 250,012.60/x
  3. Step 3: Cross multiply
    431,243.80x = 595,070.82 × 250,012.60
  4. Step 4: Simplify right side
    431,243.80x = 148,775,202,892.33
  5. Step 5: Solve for x
    x = 148,775,202,892.33/431,243.80
  6. Step 6: Final answer
    x = 344,990.94

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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.