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Finding the Fourth Proportional to 510,512.45, 765,596.34 and 190,598.09

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Solution

The fourth proportional to 510,512.45, 765,596.34 and 190,598.09 is: 285,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,512.45 : 765,596.34 = 190,598.09 : x
  2. Step 2: Convert to fraction form
    510,512.45/765,596.34 = 190,598.09/x
  3. Step 3: Cross multiply
    510,512.45x = 765,596.34 × 190,598.09
  4. Step 4: Simplify right side
    510,512.45x = 145,921,200,114.99
  5. Step 5: Solve for x
    x = 145,921,200,114.99/510,512.45
  6. Step 6: Final answer
    x = 285,832.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.