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Finding the Fourth Proportional to 379,460.88, 523,765.44 and 250,493.76

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Solution

The fourth proportional to 379,460.88, 523,765.44 and 250,493.76 is: 345,753.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,460.88 : 523,765.44 = 250,493.76 : x
  2. Step 2: Convert to fraction form
    379,460.88/523,765.44 = 250,493.76/x
  3. Step 3: Cross multiply
    379,460.88x = 523,765.44 × 250,493.76
  4. Step 4: Simplify right side
    379,460.88x = 131,199,974,423.65
  5. Step 5: Solve for x
    x = 131,199,974,423.65/379,460.88
  6. Step 6: Final answer
    x = 345,753.62

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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.