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Finding the Fourth Proportional to 510,583.97, 704,600.10 and 281,136.49

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Solution

The fourth proportional to 510,583.97, 704,600.10 and 281,136.49 is: 387,965.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,583.97 : 704,600.10 = 281,136.49 : x
  2. Step 2: Convert to fraction form
    510,583.97/704,600.10 = 281,136.49/x
  3. Step 3: Cross multiply
    510,583.97x = 704,600.10 × 281,136.49
  4. Step 4: Simplify right side
    510,583.97x = 198,088,797,206.15
  5. Step 5: Solve for x
    x = 198,088,797,206.15/510,583.97
  6. Step 6: Final answer
    x = 387,965.17

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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.