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Finding the Fourth Proportional to 431,306.79, 595,205.73 and 250,126.14

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Solution

The fourth proportional to 431,306.79, 595,205.73 and 250,126.14 is: 345,175.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,306.79 : 595,205.73 = 250,126.14 : x
  2. Step 2: Convert to fraction form
    431,306.79/595,205.73 = 250,126.14/x
  3. Step 3: Cross multiply
    431,306.79x = 595,205.73 × 250,126.14
  4. Step 4: Simplify right side
    431,306.79x = 148,876,511,750.78
  5. Step 5: Solve for x
    x = 148,876,511,750.78/431,306.79
  6. Step 6: Final answer
    x = 345,175.44

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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.