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Finding the Fourth Proportional to 431,320.77, 595,222.68 and 250,137.78

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Solution

The fourth proportional to 431,320.77, 595,222.68 and 250,137.78 is: 345,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,320.77 : 595,222.68 = 250,137.78 : x
  2. Step 2: Convert to fraction form
    431,320.77/595,222.68 = 250,137.78/x
  3. Step 3: Cross multiply
    431,320.77x = 595,222.68 × 250,137.78
  4. Step 4: Simplify right side
    431,320.77x = 148,887,679,780.85
  5. Step 5: Solve for x
    x = 148,887,679,780.85/431,320.77
  6. Step 6: Final answer
    x = 345,190.15

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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.