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Finding the Fourth Proportional to 510,859.44, 765,108.18 and 493,144.74

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Solution

The fourth proportional to 510,859.44, 765,108.18 and 493,144.74 is: 738,577.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,859.44 : 765,108.18 = 493,144.74 : x
  2. Step 2: Convert to fraction form
    510,859.44/765,108.18 = 493,144.74/x
  3. Step 3: Cross multiply
    510,859.44x = 765,108.18 × 493,144.74
  4. Step 4: Simplify right side
    510,859.44x = 377,309,074,497.97
  5. Step 5: Solve for x
    x = 377,309,074,497.97/510,859.44
  6. Step 6: Final answer
    x = 738,577.08

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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.