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Finding the Fourth Proportional to 510,842.07, 765,082.12 and 493,127.37

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Solution

The fourth proportional to 510,842.07, 765,082.12 and 493,127.37 is: 738,551.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,842.07 : 765,082.12 = 493,127.37 : x
  2. Step 2: Convert to fraction form
    510,842.07/765,082.12 = 493,127.37/x
  3. Step 3: Cross multiply
    510,842.07x = 765,082.12 × 493,127.37
  4. Step 4: Simplify right side
    510,842.07x = 377,282,933,669.62
  5. Step 5: Solve for x
    x = 377,282,933,669.62/510,842.07
  6. Step 6: Final answer
    x = 738,551.02

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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.